{"title":"Combustion engines off-road","description":"\u003cp data-start=\"2448\" data-end=\"2559\"\u003eLeistungsstarke \u003cstrong data-start=\"2464\" data-end=\"2495\"\u003eOffroad-Verbrennungsmotoren\u003c\/strong\u003e, entwickelt für \u003cstrong data-start=\"2512\" data-end=\"2556\"\u003ehohe Drehmomente und extreme Bedingungen\u003c\/strong\u003e.\u003c\/p\u003e","products":[{"product_id":"o-s-speed-b2105-ongaro-w-c-v3-os-1ek02","title":"OS SPEED B2105 ONGARO WC V3 - OS-1EK02","description":"\u003cp\u003eThe new OSSPEED B21 Ongaro V3 Edition is based on the proven B2105 engine and has been equipped with additional features to celebrate Davide Ongaro's third world championship title.\u003cbr\u003e Further developments of the OSSPEED B2105\u003c\/p\u003e\n\u003cp\u003e OSSPEED's off-road racing engine has been further developed. The B2105, now in the fifth generation of the B21 series, has been specifically optimized for demanding off-road racing. It not only offers more power to secure an advantage in challenging racing situations, but also a better driving feel. The changes allow for smoother rotation. Furthermore, the lighter external cooling head ensures improved drivability.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eFeatures of the OSSPEED B2105 Ongaro V3 Edition:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e Cooling head: B2105 cooling head with black and gold double anodizing and \"Ongaro V3\" laser engraving.\u003c\/li\u003e\n\n\u003cli\u003e Crankcase: Special laser engraving with glossy \"OS SPEED\" and \"B21\" logo.\u003c\/li\u003e\n\n\u003cli\u003e Venturi reducer: 24K gold-plated 6.5 mm reducer (as used by Ongaro at the World Championship).\u003c\/li\u003e\n\n\u003cli\u003e Glow plug: OSSpeed T-P3 Gold.\u003c\/li\u003e\n\n\u003cli\u003e Exhaust system: TB02 EFRA2089 (T-2090SC) with \"Ongaro Signature \u0026amp; World Champion\" engraving and MB01-75 (M2000SC) 75mm header.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003cspan class=\"text-danger\"\u003e!!! Note: None of the V3 Edition parts are available separately. The motor is only available as a combination set.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eDetailed specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e Displacement: 3.49cc\u003c\/li\u003e\n\n\u003cli\u003e Bore: 16.27mm\u003c\/li\u003e\n\n\u003cli\u003e Stroke: 16.80mm\u003c\/li\u003e\n\n\u003cli\u003e Power: 2.68 PS \/ 2.64 hp at 34,000 rpm\u003c\/li\u003e\n\n\u003cli\u003e Speed range: 4000-42,000 rpm\u003c\/li\u003e\n\n\u003cli\u003e Weight: 348g\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e \u003cstrong\u003eTechnical improvements in detail:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ci\u003eCooling head\u003c\/i\u003e\u003cbr\u003e Double anodizing in black and gold according to Ongaro's specifications.\u003cbr\u003e Laser engraving with \"V3\" logo for an exclusive design.\u003c\/p\u003e\n\u003cp\u003e \u003ci\u003eVenturi reducer\u003c\/i\u003e\u003cbr\u003e Gold plated (24K), based on the model used by Ongaro during the World Championship.\u003c\/p\u003e\n\u003cp\u003e \u003ci\u003ecrankcase\u003c\/i\u003e\u003cbr\u003e Special engraving and shiny logos on both sides.\u003c\/p\u003e\n\u003cp\u003e \u003ci\u003eCylinder\/piston\u003c\/i\u003e\u003cbr\u003e The B2105 uses a three-port design. The shape of the ports has been adjusted to improve air-fuel mixture flow, resulting in higher torque.\u003c\/p\u003e\n\u003cp\u003e \u003ci\u003ecrankshaft\u003c\/i\u003e\u003cbr\u003e DLC (Diamond-Like Carbon) coating and a revised inner shape not only improve the performance characteristics but also the rotational stability.\u003c\/p\u003e\n\u003cp\u003e \u003ci\u003eback wall\u003c\/i\u003e\u003cbr\u003e The B2104's back plate with a specially treated pressure plate reduces wear caused by friction between the connecting rod and the back plate, which extends the service life.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eStandard accessories:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Glow plug: OSSpeed T-P3 Gold.\u003cbr\u003e Venturi: 6.5mm, 24K gold plated.\u003cbr\u003e Sealing ring for exhaust.\u003cbr\u003e Dust cap set: 3, 16 \u0026amp; 18 mm.\u003cbr\u003e Exhaust system: TB02 EFRA2089 (T-2090SC) + MB01-75 manifold.\u003c\/p\u003e\n\u003cp\u003e The Ongaro V3 Edition combines precise technology and exclusive features for maximum off-road performance!\u003c\/p\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":50569946300754,"sku":"OS-1EK02","price":499.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/OS1EK02.jpg?v=1744101100"},{"product_id":"ielasituned-terra-evo-21-offroad","title":"IELASITUNED \"TERRA EVO\" .21 OFFROAD","description":"\u003cp data-start=\"112\" data-end=\"137\"\u003e\u003cstrong data-start=\"112\" data-end=\"137\"\u003eTERRA EVO .21 OFFROAD\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"139\" data-end=\"188\"\u003e WORLD FINALIST 8th 2024\u003cbr data-start=\"162\" data-end=\"165\"\u003e WC BEST YOUNGEST 2024 \u003c\/p\u003e\n\u003cul data-start=\"190\" data-end=\"429\"\u003e\n\n\u003cli data-start=\"190\" data-end=\"234\"\u003e\n\n\u003cp data-start=\"192\" data-end=\"234\"\u003e Tuned crankshaft with DLC coating \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"235\" data-end=\"263\"\u003e\n\n\u003cp data-start=\"237\" data-end=\"263\"\u003e New, lightweight cooling head \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"264\" data-end=\"291\"\u003e\n\n\u003cp data-start=\"266\" data-end=\"291\"\u003e ILS ceramic bearings rear \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"292\" data-end=\"316\"\u003e\n\n\u003cp data-start=\"294\" data-end=\"316\"\u003e ILS steel bearings front \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"317\" data-end=\"345\"\u003e\n\n\u003cp data-start=\"319\" data-end=\"345\"\u003e Tuned piston\/cylinder \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"346\" data-end=\"371\"\u003e\n\n\u003cp data-start=\"348\" data-end=\"371\"\u003e Gasket for carburetor \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"372\" data-end=\"429\"\u003e\n\n\u003cp data-start=\"374\" data-end=\"429\"\u003e Including engine bag with\u003cbr data-start=\"401\" data-end=\"404\"\u003e Sticker and test card\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Ielasi","offers":[{"title":"Without BREAK IN","offer_id":51650452652370,"sku":"ILTERRAEVO","price":419.9,"currency_code":"EUR","in_stock":true},{"title":"With BREAK IN ENGINE SERVICE","offer_id":51650452619602,"sku":"ILTERRAEVO-BI","price":499.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/Screenshot2025-09-30181409.png?v=1759248882"},{"product_id":"o-s-speed-b2105-dlc-buggy-motor-21-3-5-ccm-1-8-combo-set","title":"OS SPEED B2105 DLC Buggy Engine .21 (3.5 cc) 1:8 – COMBO Set","description":"\u003cp data-start=\"67\" data-end=\"424\"\u003eWith the \u003cstrong data-start=\"75\" data-end=\"99\"\u003eOS SPEED B2105 DLC,\u003c\/strong\u003e OS SPEED once again presents an off-road racing engine of absolute world-class caliber. As the \u003cstrong data-start=\"196\" data-end=\"241\"\u003efifth generation of the proven B21 series,\u003c\/strong\u003e the B2105 has been specifically further developed to offer a clear performance advantage under the toughest 1:8 off-road racing conditions – consistent, controllable, and powerful.\u003c\/p\u003e\n\u003cp data-start=\"426\" data-end=\"824\"\u003e Thanks to a \u003cstrong data-start=\"437\" data-end=\"496\"\u003enewly designed cylinder liner with a 3-port layout\u003c\/strong\u003e and a revised port shape, the engine delivers noticeably \u003cstrong data-start=\"564\" data-end=\"626\"\u003ehigher torque in the mid to upper rev range\u003c\/strong\u003e , combined with very \u003cstrong data-start=\"654\" data-end=\"704\"\u003esmooth and linear power delivery\u003c\/strong\u003e . The result is an engine that can be precisely controlled in every driving situation and consistently delivers power.\u003c\/p\u003e\n\u003cp data-start=\"826\" data-end=\"1148\"\u003e The \u003cstrong data-start=\"830\" data-end=\"890\"\u003emodified crankshaft with OS SPEED DLC coating\u003c\/strong\u003e not only ensures increased durability but also improves throttle response and overall responsiveness. At the same time, the internal geometry has been optimized to make the engine \u003cstrong data-start=\"1068\" data-end=\"1116\"\u003emore user-friendly and easier to tune\u003c\/strong\u003e than its predecessor.\u003c\/p\u003e\n\u003cp data-start=\"1150\" data-end=\"1367\"\u003e Another focus was on driving behavior: The \u003cstrong data-start=\"1206\" data-end=\"1229\"\u003elighter cooling head\u003c\/strong\u003e makes the vehicle more agile, which is particularly noticeable in rapid changes of direction and demanding off-road sections.\u003c\/p\u003e\n\u003cp data-start=\"1369\" data-end=\"1537\"\u003e This \u003cstrong data-start=\"1376\" data-end=\"1389\"\u003eCOMBO set\u003c\/strong\u003e comes complete with a matched exhaust system, providing an immediately usable high-end solution for ambitious 1:8 buggy drivers.\u003c\/p\u003e\n\u003chr data-start=\"1539\" data-end=\"1542\"\u003e\n\u003ch3 data-start=\"1544\" data-end=\"1558\"\u003e Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1564\" data-end=\"1616\"\u003e 5th generation of the successful B21 off-road racing engines\u003c\/li\u003e\n\n\u003cli data-start=\"1619\" data-end=\"1672\"\u003e Newly developed 3-channel cylinder for more torque\u003c\/li\u003e\n\n\u003cli data-start=\"1675\" data-end=\"1746\"\u003e Uniform, linear power output across the entire speed range\u003c\/li\u003e\n\n\u003cli data-start=\"1749\" data-end=\"1809\"\u003e DLC-coated crankshaft for performance and durability\u003c\/li\u003e\n\n\u003cli data-start=\"1812\" data-end=\"1877\"\u003e Reduced weight of the cooling head for improved driving performance\u003c\/li\u003e\n\n\u003cli data-start=\"1880\" data-end=\"1929\"\u003e Ideal for demanding 1:8 buggy off-road races \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"1931\" data-end=\"1934\"\u003e\n\u003ch3 data-start=\"1936\" data-end=\"1956\"\u003e Technical data\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1959\" data-end=\"1988\"\u003e\n\n \u003cstrong data-start=\"1959\" data-end=\"1971\"\u003eEngine displacement:\u003c\/strong\u003e 3.49 cm³ \/ .21\u003c\/li\u003e\n\n\u003cli data-start=\"1991\" data-end=\"2014\"\u003e\n\n \u003cstrong data-start=\"1991\" data-end=\"2003\"\u003eBore:\u003c\/strong\u003e 16.27 mm\u003c\/li\u003e\n\n\u003cli data-start=\"2017\" data-end=\"2036\"\u003e\n\n \u003cstrong data-start=\"2017\" data-end=\"2025\"\u003eStroke:\u003c\/strong\u003e 16.80 mm\u003c\/li\u003e\n\n\u003cli data-start=\"2039\" data-end=\"2083\"\u003e\n\n \u003cstrong data-start=\"2039\" data-end=\"2052\"\u003ePower output:\u003c\/strong\u003e approx. 2.68 hp at 34,000 rpm\u003c\/li\u003e\n\n\u003cli data-start=\"2086\" data-end=\"2141\"\u003e\n\n \u003cstrong data-start=\"2086\" data-end=\"2118\"\u003ePractical speed range:\u003c\/strong\u003e 4,000 – 42,000 rpm\u003c\/li\u003e\n\n\u003cli data-start=\"2144\" data-end=\"2173\"\u003e\n\n \u003cstrong data-start=\"2144\" data-end=\"2161\"\u003eMotor weight:\u003c\/strong\u003e approx. 348 g \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"2175\" data-end=\"2178\"\u003e\n\u003ch3 data-start=\"2180\" data-end=\"2196\"\u003e Scope of delivery\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"2199\" data-end=\"2233\"\u003e OS SPEED B2105 DLC Buggy Motor\u003c\/li\u003e\n\n\u003cli data-start=\"2236\" data-end=\"2268\"\u003e TB02 exhaust system (EFRA 2089)\u003c\/li\u003e\n\n\u003cli data-start=\"2271\" data-end=\"2288\"\u003e MB01-75 Manifold\u003c\/li\u003e\n\n\u003cli data-start=\"2291\" data-end=\"2307\"\u003e Glow plug T-P3\u003c\/li\u003e\n\n\u003cli data-start=\"2310\" data-end=\"2336\"\u003e Reducers Ø6 \/ Ø6.5\u003c\/li\u003e\n\n\u003cli data-start=\"2339\" data-end=\"2357\"\u003e Exhaust sealing ring\u003c\/li\u003e\n\n\u003cli data-start=\"2360\" data-end=\"2394\"\u003e Dust cap set (Ø3 \/ Ø16 \/ Ø18)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":52545683226962,"sku":"OS-1EK01","price":479.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/os-engines-combo-os-speed-b2105-echappement-tb02-efra-2089.png?v=1769164026"},{"product_id":"hpi-g3-0-engine-slide-carb-w-pull-start","title":"HPI G3.0 Engine Slide Carb W\/Pull Start","description":"\u003cp data-start=\"364\" data-end=\"715\"\u003eDominate the competition with the \u003cstrong data-start=\"396\" data-end=\"420\"\u003eHPI G3.0 Nitro engine\u003c\/strong\u003e – an \u003cstrong data-start=\"429\" data-end=\"502\"\u003eextremely powerful, robust, and easily tunable 3.0cc engine\u003c\/strong\u003e that comes standard in \u003cstrong data-start=\"527\" data-end=\"552\"\u003eHPI Bullet 3.0 trucks\u003c\/strong\u003e . Thanks to modern manufacturing techniques and proven design, this engine delivers impressive performance with high reliability.\u003c\/p\u003e\n\u003cp data-start=\"717\" data-end=\"1066\"\u003e The fitted \u003cstrong data-start=\"730\" data-end=\"750\"\u003eslide carburetor\u003c\/strong\u003e ensures \u003cstrong data-start=\"766\" data-end=\"800\"\u003esignificantly faster throttle response\u003c\/strong\u003e than conventional round slide carburetors, making the engine the ideal choice for \u003cstrong data-start=\"880\" data-end=\"914\"\u003eperformance-oriented riders\u003c\/strong\u003e . Combined with the \u003cstrong data-start=\"939\" data-end=\"959\"\u003epull-start system,\u003c\/strong\u003e the engine is easy to start and perfectly suited for racing as well as demanding recreational use.\u003c\/p\u003e\n\u003cp data-start=\"1068\" data-end=\"1275\"\u003e With up to \u003cstrong data-start=\"1079\" data-end=\"1106\"\u003e2.2 hp at 31,000 rpm\u003c\/strong\u003e and a maximum engine speed of \u003cstrong data-start=\"1140\" data-end=\"1156\"\u003e32,000 rpm,\u003c\/strong\u003e the G3.0 offers strong torque, high peak power and clean responsiveness across the entire rev range.\u003c\/p\u003e\n\u003chr data-start=\"1277\" data-end=\"1280\"\u003e\n\u003ch3 data-start=\"1282\" data-end=\"1296\"\u003e Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1299\" data-end=\"1334\"\u003e Original \u003cstrong data-start=\"1308\" data-end=\"1332\"\u003eHPI G3.0 Nitro Engine\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1337\" data-end=\"1357\"\u003e \u003cstrong data-start=\"1337\" data-end=\"1355\"\u003e3.01cc engine displacement\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-start=\"1360\" data-end=\"1399\"\u003e Standard engine of the \u003cstrong data-start=\"1376\" data-end=\"1397\"\u003eBullet 3.0 trucks\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1402\" data-end=\"1448\"\u003e\n\n \u003cstrong data-start=\"1402\" data-end=\"1422\"\u003eSlide carburetor\u003c\/strong\u003e for fast throttle response\u003c\/li\u003e\n\n\u003cli data-start=\"1451\" data-end=\"1504\"\u003e\n\n \u003cstrong data-start=\"1451\" data-end=\"1464\"\u003ePullstart\u003c\/strong\u003e – simple and reliable starting\u003c\/li\u003e\n\n\u003cli data-start=\"1507\" data-end=\"1549\"\u003e High performance with very good durability\u003c\/li\u003e\n\n\u003cli data-start=\"1552\" data-end=\"1593\"\u003e Ideal for \u003cstrong data-start=\"1562\" data-end=\"1593\"\u003e1:10 scale nitro trucks \u0026amp; bashing\u003c\/strong\u003e \n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"1595\" data-end=\"1598\"\u003e\n\u003ch3 data-start=\"1600\" data-end=\"1620\"\u003e Technical data\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1623\" data-end=\"1658\"\u003e Engine type: \u003cstrong data-start=\"1633\" data-end=\"1656\"\u003eNitro (glow ignition)\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1661\" data-end=\"1683\"\u003e Engine displacement: \u003cstrong data-start=\"1670\" data-end=\"1681\"\u003e3.01 cc\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1686\" data-end=\"1708\"\u003e Bore: \u003cstrong data-start=\"1695\" data-end=\"1706\"\u003e16.8 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1711\" data-end=\"1729\"\u003e Stroke: \u003cstrong data-start=\"1716\" data-end=\"1727\"\u003e13.6 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1732\" data-end=\"1786\"\u003e Maximum power: \u003cstrong data-start=\"1747\" data-end=\"1784\"\u003e2.2 hp (2.17 hp) at 31,000 rpm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1789\" data-end=\"1822\"\u003e Maximum speed: \u003cstrong data-start=\"1804\" data-end=\"1820\"\u003e32,000 rpm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1825\" data-end=\"1878\"\u003e Carburetor: \u003cstrong data-start=\"1835\" data-end=\"1876\"\u003eF2 Composite slide carburetor, 6.5 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1881\" data-end=\"1920\"\u003e Cylinder head gaskets: \u003cstrong data-start=\"1905\" data-end=\"1918\"\u003e3× 0.2 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1923\" data-end=\"1949\"\u003e Starting system: \u003cstrong data-start=\"1936\" data-end=\"1949\"\u003ePull start\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"hpi","offers":[{"title":"Default Title","offer_id":52630242328914,"sku":"HPI101310","price":129.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/101310_101310_01p_800_600.jpg?v=1770199385"},{"product_id":"o-s-speed-max-b21-nitro-motor","title":"OS SPEED Max-B21 Nitro Engine","description":"\u003cp data-start=\"380\" data-end=\"732\"\u003eThe \u003cstrong data-start=\"384\" data-end=\"406\"\u003eOS Speed ​​MAX-B21\u003c\/strong\u003e is a modern \u003cstrong data-start=\"424\" data-end=\"443\"\u003e1:8 scale nitro engine\u003c\/strong\u003e , developed as the direct successor to the \u003cstrong data-start=\"477\" data-end=\"498\"\u003eMAX-21 XR-B Ver.3\u003c\/strong\u003e and \u003cstrong data-start=\"503\" data-end=\"524\"\u003eMAX-21 XZ-B Ver.2\u003c\/strong\u003e . It is specifically aimed at \u003cstrong data-start=\"570\" data-end=\"628\"\u003ebeginners, sporty drivers, and cost-conscious racers\u003c\/strong\u003e who value reliability, ease of use, and excellent value for money.\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"1099\"\u003e Based on the proven \u003cstrong data-start=\"762\" data-end=\"798\"\u003eOS Speed ​​racing engine platform,\u003c\/strong\u003e the MAX-B21 combines \u003cstrong data-start=\"827\" data-end=\"862\"\u003esmooth power delivery\u003c\/strong\u003e with sufficient power for competition and training. Its characteristics are deliberately designed to \u003cstrong data-start=\"957\" data-end=\"1000\"\u003ebe easily controllable and driver-friendly\u003c\/strong\u003e , making it a convincing performer in both \u003cstrong data-start=\"1033\" data-end=\"1054\"\u003e1:8 buggy off-road\u003c\/strong\u003e and \u003cstrong data-start=\"1071\" data-end=\"1088\"\u003e1:8 GT classes\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-start=\"1101\" data-end=\"1451\"\u003e The \u003cstrong data-start=\"1105\" data-end=\"1122\"\u003ecrankcase\u003c\/strong\u003e was further developed based on the successful \u003cstrong data-start=\"1157\" data-end=\"1171\"\u003eOSSP-B2104\u003c\/strong\u003e and offers an optimal balance of torque feel, throttle response, and durability. \u003cstrong data-start=\"1281\" data-end=\"1306\"\u003eThe pistons and cylinder liner\u003c\/strong\u003e are also derived from this proven platform, ensuring efficient combustion and consistent performance over long service lives.\u003c\/p\u003e\n\u003cp data-start=\"1453\" data-end=\"1645\"\u003e The \u003cstrong data-start=\"1466\" data-end=\"1482\"\u003econnecting rod\u003c\/strong\u003e used is the same as that used in the current \u003cstrong data-start=\"1523\" data-end=\"1549\"\u003eOS Speed ​​Buggy series\u003c\/strong\u003e , which gives the MAX-B21 additional robustness and reliability in tough off-road use.\u003c\/p\u003e\n\u003cp data-start=\"1647\" data-end=\"1860\"\u003e Overall, the MAX-B21 is a versatile nitro engine that combines \u003cstrong data-start=\"1707\" data-end=\"1748\"\u003eracing DNA with everyday usability\u003c\/strong\u003e – ideal for drivers looking for a hassle-free entry or a solid, durable racing engine.\u003c\/p\u003e\n\u003chr data-start=\"1862\" data-end=\"1865\"\u003e\n\u003ch2 data-start=\"1867\" data-end=\"1880\"\u003e Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1883\" data-end=\"1925\"\u003e 1:8 Nitro Engine for \u003cstrong data-start=\"1903\" data-end=\"1925\"\u003eBuggy Offroad \u0026amp; GT\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1928\" data-end=\"1990\"\u003e Successor to \u003cstrong data-start=\"1943\" data-end=\"1964\"\u003eMAX-21 XR-B Ver.3\u003c\/strong\u003e and \u003cstrong data-start=\"1969\" data-end=\"1990\"\u003eMAX-21 XZ-B Ver.2\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1993\" data-end=\"2043\"\u003e Very \u003cstrong data-start=\"1998\" data-end=\"2043\"\u003edriver-friendly performance characteristics\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2046\" data-end=\"2092\"\u003e Excellent \u003cstrong data-start=\"2062\" data-end=\"2092\"\u003evalue for money\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2095\" data-end=\"2137\"\u003e Crankcase based on \u003cstrong data-start=\"2123\" data-end=\"2137\"\u003eOSSP-B2104\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2140\" data-end=\"2203\"\u003e Revised piston \u0026amp; cylinder liner from the OS Speed ​​platform\u003c\/li\u003e\n\n\u003cli data-start=\"2206\" data-end=\"2257\"\u003e Connecting rod from the \u003cstrong data-start=\"2227\" data-end=\"2257\"\u003eOS Speed ​​Buggy racing series\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2260\" data-end=\"2304\"\u003e Ideal for \u003cstrong data-start=\"2270\" data-end=\"2304\"\u003ebeginners and sporty drivers\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2307\" data-end=\"2360\"\u003e Suitable for \u003cstrong data-start=\"2320\" data-end=\"2360\"\u003eracing and training, on-road and off-road\u003c\/strong\u003e \n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"2362\" data-end=\"2365\"\u003e\n\u003ch2 data-start=\"2367\" data-end=\"2384\"\u003e Area of ​​application\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"2387\" data-end=\"2412\"\u003e 1:8 Buggy Nitro Offroad\u003c\/li\u003e\n\n\u003cli data-start=\"2415\" data-end=\"2429\"\u003e 1:8 GT Nitro\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":52648575140178,"sku":"1EG00","price":269.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/os-engines-moteur-os-speed-max-b21.jpg?v=1770391406"},{"product_id":"o-s-speed-b2105-nitro-motor","title":"OS Speed ​​B2105 Nitro Engine","description":"\u003cp data-start=\"379\" data-end=\"777\"\u003eThe \u003cstrong data-start=\"383\" data-end=\"403\"\u003eOS Speed ​​B2105\u003c\/strong\u003e is the logical next step in the evolution of the successful \u003cstrong data-start=\"460\" data-end=\"469\"\u003eB2104\u003c\/strong\u003e and is aimed at discerning \u003cstrong data-start=\"505\" data-end=\"531\"\u003e1:8 scale off-road racers\u003c\/strong\u003e who want to combine maximum performance with excellent drivability. Extensive revisions to \u003cstrong data-start=\"639\" data-end=\"675\"\u003ethe crankshaft, pistons, and cylinder liners\u003c\/strong\u003e have \u003cstrong data-start=\"738\" data-end=\"776\"\u003esignificantly improved not only the power characteristics but also the overall performance\u003c\/strong\u003e .\u003c\/p\u003e\n\u003cp data-start=\"779\" data-end=\"1109\"\u003e Compared to the B2104, the B2105 offers \u003cstrong data-start=\"819\" data-end=\"878\"\u003emore torque in the mid and upper rev ranges\u003c\/strong\u003e , while the torque at lower revs is more consistent and easier to control. This makes the engine \u003cstrong data-start=\"993\" data-end=\"1024\"\u003enoticeably easier to ride\u003c\/strong\u003e , especially on technically demanding tracks with varying grip conditions.\u003c\/p\u003e\n\u003cp data-start=\"1111\" data-end=\"1271\"\u003e Another advantage is the \u003cstrong data-start=\"1140\" data-end=\"1183\"\u003eweight reduction on the outer cooling head\u003c\/strong\u003e , which improves the vehicle balance and contributes to even finer throttle response.\u003c\/p\u003e\n\u003cp data-start=\"1273\" data-end=\"1613\"\u003e The \u003cstrong data-start=\"1277\" data-end=\"1308\"\u003enewly developed crankshaft\u003c\/strong\u003e features optimized valve timing and a revised counterbalance. Combined with the proven \u003cstrong data-start=\"1426\" data-end=\"1452\"\u003eOS Speed ​​DLC coating\u003c\/strong\u003e , this results in extremely \u003cstrong data-start=\"1477\" data-end=\"1504\"\u003elinear power delivery\u003c\/strong\u003e that is available across the entire rev range – without any harshness or power spikes.\u003c\/p\u003e\n\u003cp data-start=\"1615\" data-end=\"1931\"\u003e \u003cstrong data-start=\"1620\" data-end=\"1647\"\u003eThe cylinder and cylinder liner\u003c\/strong\u003e have also been further developed: The new exhaust port geometry increases efficiency and torque. The \u003cstrong data-start=\"1741\" data-end=\"1773\"\u003ecarburetor is based on the 22E\u003c\/strong\u003e , but has been equipped with an improved \u003cstrong data-start=\"1811\" data-end=\"1840\"\u003eidle adjustment screw\u003c\/strong\u003e , resulting in a more stable fuel supply and easier tuning.\u003c\/p\u003e\n\u003cp data-start=\"1933\" data-end=\"2230\"\u003e Additionally, a \u003cstrong data-start=\"1959\" data-end=\"1999\"\u003esurface-treated stop plate\u003c\/strong\u003e in the rear engine cover reduces friction on the connecting rod and extends its service life. The \u003cstrong data-start=\"2094\" data-end=\"2127\"\u003eceramic rear ball bearing\u003c\/strong\u003e , known from OS Speed's top racing engines, ensures minimal losses and high durability.\u003c\/p\u003e\n\u003cp data-start=\"2232\" data-end=\"2351\"\u003e The B2105 is therefore a \u003cstrong data-start=\"2256\" data-end=\"2293\"\u003etrue high-end off-road racing engine\u003c\/strong\u003e that perfectly combines performance, control and durability.\u003c\/p\u003e\n\u003chr data-start=\"2353\" data-end=\"2356\"\u003e\n\u003ch2 data-start=\"2358\" data-end=\"2371\"\u003e Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"2374\" data-end=\"2409\"\u003e 1:8 Nitro off-road racing engine (buggy)\u003c\/li\u003e\n\n\u003cli data-start=\"2412\" data-end=\"2454\"\u003e Further development of \u003cstrong data-start=\"2434\" data-end=\"2454\"\u003eOS Speed ​​B2104\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2457\" data-end=\"2522\"\u003e Revised crankshaft with optimized timing and counterweights\u003c\/li\u003e\n\n\u003cli data-start=\"2525\" data-end=\"2578\"\u003e\n\n \u003cstrong data-start=\"2525\" data-end=\"2557\"\u003eDLC-coated crankshaft\u003c\/strong\u003e for minimal friction\u003c\/li\u003e\n\n\u003cli data-start=\"2581\" data-end=\"2634\"\u003e More torque in the mid and upper rev range\u003c\/li\u003e\n\n\u003cli data-start=\"2637\" data-end=\"2684\"\u003e More consistent low-end response for improved drivability\u003c\/li\u003e\n\n\u003cli data-start=\"2687\" data-end=\"2741\"\u003e Reduced mass at the cooling head for improved handling\u003c\/li\u003e\n\n\u003cli data-start=\"2744\" data-end=\"2787\"\u003e New exhaust port for increased efficiency\u003c\/li\u003e\n\n\u003cli data-start=\"2790\" data-end=\"2864\"\u003e Improved \u003cstrong data-start=\"2803\" data-end=\"2829\"\u003e22E-based carburetor\u003c\/strong\u003e with more stable idle setting\u003c\/li\u003e\n\n\u003cli data-start=\"2867\" data-end=\"2926\"\u003e Low-friction stop plate for longer connecting rod lifespan\u003c\/li\u003e\n\n\u003cli data-start=\"2929\" data-end=\"2964\"\u003e \u003cstrong data-start=\"2929\" data-end=\"2964\"\u003eCeramic rear ball bearing\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-start=\"2967\" data-end=\"3020\"\u003e Very linear, easily controllable power delivery \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr data-start=\"3022\" data-end=\"3025\"\u003e\n\u003ch2 data-start=\"3027\" data-end=\"3044\"\u003e Area of ​​application\u003c\/h2\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"3047\" data-end=\"3072\"\u003e 1:8 Buggy Nitro Offroad\u003c\/li\u003e\n\n\u003cli data-start=\"3075\" data-end=\"3114\"\u003e National \u0026amp; international racing series\u003c\/li\u003e\n\n\u003cli data-start=\"3117\" data-end=\"3151\"\u003e High-grip and low-grip tracks\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":52648663613778,"sku":"1EK00","price":399.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/os-engines-moteur-os-speed-b2105-1ek00.jpg?v=1770392279"},{"product_id":"os-speed-b21-adam-drake-4-mit-krummer-und-schalldampfer-t-2090","title":"OS SPEED B21 ADAM DRAKE 4 with manifold and silencer T-2090 ","description":"\u003cdiv id=\"Text3LYR\" class=\"TextObject\"\u003e\n\n\u003cp data-end=\"468\" data-start=\"107\"\u003e The \u003cstrong data-end=\"177\" data-start=\"111\"\u003eOS SPEED B21 ADAM DRAKE 4 with header and T-2090 silencer\u003c\/strong\u003e is a \u003cstrong data-end=\"230\" data-start=\"186\"\u003elimited-edition, high-performance complete kit\u003c\/strong\u003e for 1\/8 scale off-road racing. Developed in collaboration with renowned professional racer \u003cstrong data-end=\"340\" data-start=\"326\"\u003eAdam Drake\u003c\/strong\u003e , this kit delivers maximum power, precise throttle response, and outstanding efficiency – perfect for demanding competitions.\u003c\/p\u003e\n\n\u003cp data-end=\"782\" data-start=\"470\"\u003e Adam Drake is one of the most successful drivers in \u003cstrong data-end=\"547\" data-start=\"522\"\u003e1\/8 scale off-road RC racing\u003c\/strong\u003e and has relied on \u003cstrong data-end=\"630\" data-start=\"612\"\u003eOS MAX engines\u003c\/strong\u003e in his Mugen race cars for many years. The B21 Drake 4 is based on this experience and was specifically developed for \u003cstrong data-end=\"770\" data-start=\"700\"\u003estrong mid-range power, high efficiency, and rapid acceleration\u003c\/strong\u003e .\u003c\/p\u003e\n\n \u003cp data-end=\"961\" data-start=\"784\"\u003eThis set includes the engine, the \u003cstrong data-end=\"880\" data-start=\"828\"\u003ematching manifold and the OS T-2090 resonance pipe\u003c\/strong\u003e , resulting in optimally tuned power delivery for racetracks. \u003c\/p\u003e\n\n\u003chr data-end=\"966\" data-start=\"963\"\u003e\n\n\u003ch3 data-end=\"988\" data-start=\"968\" data-section-id=\"19088s0\"\u003e Key features\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"1027\" data-start=\"992\"\u003e \u003cstrong data-end=\"1027\" data-start=\"992\"\u003eLimited Adam Drake 4 Edition\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"1077\" data-start=\"1030\"\u003e Complete set including \u003cstrong data-end=\"1077\" data-start=\"1046\"\u003emanifold and T-2090 tuned pipe\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1135\" data-start=\"1080\"\u003e Designed for \u003cstrong data-end=\"1135\" data-start=\"1095\"\u003e1\/8 Offroad Buggy \u0026amp; Truck Competition\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1196\" data-start=\"1138\"\u003e Revised \u003cstrong data-end=\"1176\" data-start=\"1153\"\u003ecylinder and piston\u003c\/strong\u003e for more torque\u003c\/li\u003e\n\n\u003cli data-end=\"1252\" data-start=\"1199\"\u003e\n\n \u003cstrong data-end=\"1231\" data-start=\"1199\"\u003eDLC-coated crankshaft\u003c\/strong\u003e with tungsten weights\u003c\/li\u003e\n\n\u003cli data-end=\"1313\" data-start=\"1255\"\u003e High-quality \u003cstrong data-end=\"1293\" data-start=\"1268\"\u003etwo-tone cooling head\u003c\/strong\u003e for improved cooling\u003c\/li\u003e\n\n\u003cli data-end=\"1429\" data-start=\"1383\"\u003e\n\n \u003cstrong data-end=\"1406\" data-start=\"1383\"\u003eCeramic rear bearings\u003c\/strong\u003e for maximum efficiency\u003c\/li\u003e\n\n \u003cli data-end=\"1497\" data-start=\"1432\"\u003eVery good \u003cstrong data-end=\"1497\" data-start=\"1442\"\u003ethrottle response in the lower and mid-range RPM\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1533\" data-start=\"1500\"\u003e \u003cstrong data-end=\"1533\" data-start=\"1500\"\u003eLow fuel consumption\u003c\/strong\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-end=\"1538\" data-start=\"1535\"\u003e\n\n\u003ch3 data-end=\"1570\" data-start=\"1540\" data-section-id=\"h6qnrx\"\u003e Advantages in racing\u003c\/h3\u003e\n\n\u003cp data-end=\"1630\" data-start=\"1572\"\u003e The perfectly matched engine and tuned pipe system offers:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"1670\" data-start=\"1634\"\u003e strong \u003cstrong data-end=\"1670\" data-start=\"1641\"\u003eacceleration out of corners\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1697\" data-start=\"1673\"\u003e high \u003cstrong data-end=\"1697\" data-start=\"1678\"\u003emid-range power\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1731\" data-start=\"1700\"\u003e stable \u003cstrong data-end=\"1731\" data-start=\"1708\"\u003etemperature control\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1782\" data-start=\"1734\"\u003e optimal \u003cstrong data-end=\"1782\" data-start=\"1743\"\u003eperformance for competitions\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-end=\"1856\" data-start=\"1784\"\u003e This set is therefore ideal for \u003cstrong data-end=\"1855\" data-start=\"1815\"\u003eambitious 1\/8 scale off-road racers\u003c\/strong\u003e . \u003c\/p\u003e\n\n\u003chr data-end=\"1861\" data-start=\"1858\"\u003e\n\n\u003ch3 data-end=\"1886\" data-start=\"1863\" data-section-id=\"11ctyrv\"\u003e Technical data\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"1911\" data-start=\"1890\"\u003e Engine displacement: \u003cstrong data-end=\"1911\" data-start=\"1899\"\u003e3.49 cm³\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1935\" data-start=\"1914\"\u003e Bore: \u003cstrong data-end=\"1935\" data-start=\"1923\"\u003e16.40 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1955\" data-start=\"1938\"\u003e Stroke: \u003cstrong data-end=\"1955\" data-start=\"1943\"\u003e16.55 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1975\" data-start=\"1958\"\u003e Channels: \u003cstrong data-end=\"1975\" data-start=\"1966\"\u003e5 + 3\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n \u003cli data-end=\"2019\" data-start=\"1978\"\u003eSpeed ​​range: \u003cstrong data-end=\"2019\" data-start=\"1995\"\u003e4,000 – 42,000 rpm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2060\" data-start=\"2022\"\u003e Power output: \u003cstrong data-end=\"2060\" data-start=\"2032\"\u003e2.65 hp at 34,000 rpm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2081\" data-start=\"2063\"\u003e Weight: \u003cstrong data-end=\"2081\" data-start=\"2072\"\u003e352 g\u003c\/strong\u003e \n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-end=\"2086\" data-start=\"2083\"\u003e\n\n\u003ch3 data-end=\"2107\" data-start=\"2088\" data-section-id=\"n0psca\"\u003e Scope of delivery\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"2146\" data-start=\"2111\"\u003e \u003cstrong data-end=\"2146\" data-start=\"2111\"\u003eOS SPEED B21 Adam Drake 4 engine\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"2165\" data-start=\"2149\"\u003e \u003cstrong data-end=\"2165\" data-start=\"2149\"\u003e22E carburetor\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"2187\" data-start=\"2168\"\u003e \u003cstrong data-end=\"2187\" data-start=\"2168\"\u003e6.5 mm diffuser\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"2209\" data-start=\"2190\"\u003e \u003cstrong data-end=\"2209\" data-start=\"2190\"\u003e8.0 mm diffuser\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"2223\" data-start=\"2212\"\u003e \u003cstrong data-end=\"2223\" data-start=\"2212\"\u003emanifold\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"2258\" data-start=\"2226\"\u003e \u003cstrong data-end=\"2258\" data-start=\"2226\"\u003eOS SPEED T-2090 Resonator Tube\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":52928268632402,"sku":"OS1FH01","price":504.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/b_0_8fc87.jpg?v=1773333461"},{"product_id":"os-speed-b21-adam-drake-4-ohne-krummer-und-schalldampfer","title":"OS SPEED B21 ADAM DRAKE 4 without manifold and silencer ","description":"\u003cdiv id=\"Text3LYR\" class=\"TextObject\"\u003e\n\n\u003cp data-end=\"367\" data-start=\"78\"\u003e The \u003cstrong data-end=\"111\" data-start=\"82\"\u003eOS SPEED B21 ADAM DRAKE 4\u003c\/strong\u003e is a \u003cstrong data-end=\"157\" data-start=\"121\"\u003elimited-edition, high-performance motor\u003c\/strong\u003e for 1\/8 scale off-road racing. Developed in collaboration with legendary professional racer \u003cstrong data-end=\"268\" data-start=\"254\"\u003eAdam Drake\u003c\/strong\u003e , this motor combines maximum performance with exceptional reliability and efficiency.\u003c\/p\u003e\n\n\u003cp data-end=\"722\" data-start=\"369\"\u003e Adam Drake is a fixture in international \u003cstrong data-end=\"442\" data-start=\"420\"\u003e1\/8 off-road racing\u003c\/strong\u003e and has relied exclusively on \u003cstrong data-end=\"533\" data-start=\"515\"\u003eOS MAX engines\u003c\/strong\u003e in his Mugen race cars for years. The B21 Drake 4 was specifically developed for competition and offers significantly improved torque as well as particularly precise throttle response in the low and mid-range RPMs.\u003c\/p\u003e\n\n \u003cp data-end=\"1122\" data-start=\"724\"\u003eThe engine features a \u003cstrong data-end=\"791\" data-start=\"753\"\u003eredesigned cylinder and piston\u003c\/strong\u003e , a \u003cstrong data-end=\"851\" data-start=\"798\"\u003eDLC-coated crankshaft with tungsten weights\u003c\/strong\u003e for perfect balance, and a \u003cstrong data-end=\"910\" data-start=\"885\"\u003etwo-tone cooling head\u003c\/strong\u003e with optimized cooling performance and a lower center of gravity. \u003c\/p\u003e\n\n\u003chr data-end=\"1127\" data-start=\"1124\"\u003e\n\n\u003ch3 data-end=\"1149\" data-start=\"1129\" data-section-id=\"19088s0\"\u003e Key features\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"1188\" data-start=\"1153\"\u003e \u003cstrong data-end=\"1188\" data-start=\"1153\"\u003eLimited Adam Drake 4 Edition\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"1247\" data-start=\"1191\"\u003e Designed for \u003cstrong data-end=\"1247\" data-start=\"1206\"\u003e1\/8 scale off-road buggy and truck competitions\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1311\" data-start=\"1250\"\u003e Revised \u003cstrong data-end=\"1288\" data-start=\"1265\"\u003ecylinder and piston\u003c\/strong\u003e for higher torque\u003c\/li\u003e\n\n\u003cli data-end=\"1377\" data-start=\"1314\"\u003e\n\n \u003cstrong data-end=\"1346\" data-start=\"1314\"\u003eDLC-coated crankshaft\u003c\/strong\u003e with double tungsten weights\u003c\/li\u003e\n\n\u003cli data-end=\"1442\" data-start=\"1380\"\u003e High-quality \u003cstrong data-end=\"1418\" data-start=\"1393\"\u003etwo-tone cooling head\u003c\/strong\u003e with efficient cooling\u003c\/li\u003e\n\n\u003cli data-end=\"1566\" data-start=\"1504\"\u003e \n\u003cstrong data-end=\"1527\" data-start=\"1504\"\u003eCeramic rear bearings\u003c\/strong\u003e for maximum efficiency and durability\u003c\/li\u003e\n\n\u003cli data-end=\"1634\" data-start=\"1569\"\u003e Very \u003cstrong data-end=\"1634\" data-start=\"1574\"\u003egood throttle response in the lower and mid-range RPM\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1670\" data-start=\"1637\"\u003e \u003cstrong data-end=\"1670\" data-start=\"1637\"\u003eLow fuel consumption\u003c\/strong\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-end=\"1675\" data-start=\"1672\"\u003e\n\n\u003ch3 data-end=\"1707\" data-start=\"1677\" data-section-id=\"h6qnrx\"\u003e 🏁 Advantages in racing operations\u003c\/h3\u003e\n\n\u003cp data-end=\"1802\" data-start=\"1709\"\u003e The B21 Adam Drake 4 was specifically designed for demanding racing conditions and offers:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"1842\" data-start=\"1806\"\u003e strong \u003cstrong data-end=\"1842\" data-start=\"1813\"\u003eacceleration out of corners\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1872\" data-start=\"1845\"\u003e Stable \u003cstrong data-end=\"1872\" data-start=\"1853\"\u003emid-range power\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1897\" data-start=\"1875\"\u003e precise \u003cstrong data-end=\"1897\" data-start=\"1883\"\u003ethrottle response\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"1934\" data-start=\"1900\"\u003e high \u003cstrong data-end=\"1934\" data-start=\"1905\"\u003eefficiency and durability\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-end=\"2025\" data-start=\"1936\"\u003e This makes this engine an ideal choice for \u003cstrong data-end=\"2024\" data-start=\"1980\"\u003e1\/8 scale off-road racing at a competitive level\u003c\/strong\u003e . \u003c\/p\u003e\n\n\u003chr data-end=\"2030\" data-start=\"2027\"\u003e\n\n\u003ch3 data-end=\"2055\" data-start=\"2032\" data-section-id=\"11ctyrv\"\u003e Technical data\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"2080\" data-start=\"2059\"\u003e Engine displacement: \u003cstrong data-end=\"2080\" data-start=\"2068\"\u003e3.49 cm³\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2104\" data-start=\"2083\"\u003e Bore: \u003cstrong data-end=\"2104\" data-start=\"2092\"\u003e16.40 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n \u003cli data-end=\"2124\" data-start=\"2107\"\u003eStroke: \u003cstrong data-end=\"2124\" data-start=\"2112\"\u003e16.55 mm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2144\" data-start=\"2127\"\u003e Channels: \u003cstrong data-end=\"2144\" data-start=\"2135\"\u003e5 + 3\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2188\" data-start=\"2147\"\u003e Speed ​​range: \u003cstrong data-end=\"2188\" data-start=\"2164\"\u003e4,000 – 42,000 rpm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2229\" data-start=\"2191\"\u003e Power output: \u003cstrong data-end=\"2229\" data-start=\"2201\"\u003e2.65 hp at 34,000 rpm\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2250\" data-start=\"2232\"\u003e Weight: \u003cstrong data-end=\"2250\" data-start=\"2241\"\u003e352 g\u003c\/strong\u003e \n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-end=\"2255\" data-start=\"2252\"\u003e\n\n\u003ch3 data-end=\"2276\" data-start=\"2257\" data-section-id=\"n0psca\"\u003e 📦 Scope of delivery\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli data-end=\"2315\" data-start=\"2280\"\u003e OS SPEED \u003cstrong data-end=\"2315\" data-start=\"2289\"\u003eB21 Adam Drake 4 engine\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-end=\"2356\" data-start=\"2337\"\u003e \u003cstrong data-end=\"2356\" data-start=\"2337\"\u003e6.5 mm diffuser\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\u003cli data-end=\"2378\" data-start=\"2359\"\u003e \u003cstrong data-end=\"2378\" data-start=\"2359\"\u003e8.0 mm diffuser\u003c\/strong\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e","brand":"O.S.","offers":[{"title":"Default Title","offer_id":52928296812882,"sku":"OS1FH00","price":425.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/files\/b_0_8fc87_1.jpg?v=1773333735"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0277\/3586\/collections\/Verbrennermotoren_Offroad.png?v=1738769271","url":"https:\/\/checkout.rcxx.us\/en\/collections\/verbrennermotoren-offroad.oembed","provider":"RCXX - Shop for RC Models, DieCast \u0026 Plastic Models","version":"1.0","type":"link"}