{"id":23023,"date":"2026-05-02T11:44:59","date_gmt":"2026-05-02T17:44:59","guid":{"rendered":"https:\/\/rctracks.io\/?p=23023"},"modified":"2026-05-05T01:18:41","modified_gmt":"2026-05-05T07:18:41","slug":"introducing-the-921-speciale","status":"publish","type":"post","link":"https:\/\/rctracks.io\/fr\/rc-products\/2026\/05\/introducing-the-921-speciale\/","title":{"rendered":"Introducing the 921 Speciale\u2122"},"content":{"rendered":"
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At Reds Racing, we take pride in <\/span>pushing the limits of innovation and developing cutting-edge technology<\/strong>. That\u2019s why we\u2019re thrilled to introduce our latest evolution: the <\/span>921 Speciale\u2122<\/strong> competition engine for the off-road category!<\/span><\/p>\n<\/div>\n<\/figure>\n<\/div>\n<\/div>\n<\/div>\n

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As always, Reds Racing stays at the forefront of technology, and this time we\u2019ve taken things a step further. The 921 Speciale\u2122 is a limited-edition engine<\/strong> featuring:<\/span><\/p>\n<\/div>\n

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    A completely redesigned 9-port cylinder to guarantee extremely linear torque<\/strong><\/span><\/p>\n<\/li>\n

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    Excellent fuel efficiency<\/strong> , further optimized compared to our 7-port design<\/span><\/p>\n<\/li>\n

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    Even more torque<\/strong> with impressive power output<\/strong><\/span><\/p>\n<\/li>\n

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    At the same time, it\u2019s extremely drivable<\/strong> and easy to manage on the track<\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n

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    This engine represents the next level of performance, combining power, efficiency, and drivability<\/strong> in a unique special edition package.<\/span><\/p>\n<\/div>\n

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      New 9-port Cylinder:<\/strong> Higher performance, excellent fuel efficiency, great drivability with more torque<\/span><\/p>\n<\/li>\n

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      RTX Rotating Backplate:<\/strong> Reduces friction between the connecting rod and backplate, improving stability at idle, boosting engine power, and optimizing fuel efficiency for extended runtime<\/span><\/p>\n<\/li>\n

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      High-Protection Bearings:<\/strong> Includes a double-seal front bearing for durability and stability, along with a 9-ball rear ceramic bearing for reliability under extreme conditions<\/span><\/p>\n<\/li>\n

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      Balanced DLC Crankshaft<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n

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      AVAILABLE MODELS<\/strong><\/span><\/p>\n<\/div>\n

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      TECHNICAL SPECIFICATIONS<\/strong><\/span><\/p>\n<\/div>\n

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      \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      <\/td>\n<\/td>\n<\/tr>\n
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      Displacement [cm\u00b3]<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      Stroke [mm]<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

      		<\/td>\n<\/tr>\n
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      Inlet Ports<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      Outlet Ports<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      Front Bearing<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      7x19x6 Double Seal<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n

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      Rear Bearing<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      14×25.4×6 9 Balls High-Durability Ceramic<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n

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      Carburetor Diameter [mm]<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      7.0 (Options: 6.0, 6.5, 7.5, 8.0)<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n

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      Carburetor Type<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      VCX3-A Aluminum Short Needle<\/span><\/p>\n<\/div>\n<\/td>\n<\/tr>\n

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      Weight [g]<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      Fuel Consumption [min]<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

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      Operating Temperature [\u00b0C]<\/strong><\/span><\/p>\n<\/div>\n<\/td>\n

      		<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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      To maximize the performance of your 921 Speciale\u2122<\/strong> engine, we recommend pairing it with:<\/span><\/p>\n<\/div>\n

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        Glow Plug:<\/strong> REDS TS4<\/span><\/p>\n<\/li>\n

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        Exhaust System:<\/strong> 2143 X-ONE High Torque Plus Pipe<\/span><\/p>\n<\/li>\n

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        Fuel:<\/strong> 16\u201330% nitro, 8\u201310% oil<\/span><\/p>\n<\/li>\n

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        Break-In Fuel:<\/strong> 12% oil<\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

        At Reds Racing, we take pride in pushing the limits of innovation and developing cutting-edge technology . That\u2019s why we\u2019re thrilled to…<\/p>\n","protected":false},"author":28,"featured_media":25492,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66,122,1],"tags":[91,269],"class_list":["post-23023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rc-engine-and-fuel","category-rc-products","category-uncategorized","tag-reds","tag-reds-racing"],"_links":{"self":[{"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/posts\/23023","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/comments?post=23023"}],"version-history":[{"count":0,"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/posts\/23023\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/media\/25492"}],"wp:attachment":[{"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/media?parent=23023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/categories?post=23023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rctracks.io\/fr\/wp-json\/wp\/v2\/tags?post=23023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}