{"product_id":"elevn-aluminum-rear-cog","title":"Elevn Aluminum Rear Cog","description":"\u003cp data-start=\"22\" data-end=\"109\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"22\" data-end=\"109\"\u003eElevn 7075-T6 Aluminum BMX Rear Cog – Lightweight CNC Machined Shimano Cassette Cog\u003c\/strong\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"111\" data-end=\"466\"\u003eUpgrade your BMX race bike with the \u003cstrong data-start=\"147\" data-end=\"165\"\u003eElevn Rear Cog\u003c\/strong\u003e, precision CNC machined from premium \u003cstrong data-start=\"203\" data-end=\"223\"\u003e7075-T6 aluminum\u003c\/strong\u003e for maximum strength, durability, and lightweight performance. Designed specifically for BMX racing, the Elevn rear cog delivers efficient power transfer while helping to protect your cassette hub thanks to its innovative wide contact design.\u003c\/p\u003e\n\u003cp data-start=\"468\" data-end=\"673\"\u003eCompatible with \u003cstrong data-start=\"484\" data-end=\"519\"\u003eShimano cassette-style freehubs\u003c\/strong\u003e, the Elevn cog is available in \u003cstrong data-start=\"551\" data-end=\"582\"\u003e14T, 15T, 16T, 17T, and 18T\u003c\/strong\u003e, making it easy to dial in the perfect gear ratio for any track, rider, or race condition.\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"983\"\u003eUnlike standard cassette cogs, the Elevn Rear Cog features a \u003cstrong data-start=\"736\" data-end=\"764\"\u003e5mm-wide contact surface\u003c\/strong\u003e that distributes pedaling forces more evenly across the cassette body. This wider interface helps reduce wear and minimizes the risk of damaging lightweight aluminum freehub bodies, extending the life of your rear hub.\u003c\/p\u003e\n\u003cp data-start=\"985\" data-end=\"1181\"\u003eWhether you're building a championship-level BMX race bike or replacing a worn cog, the Elevn Rear Cog offers the perfect balance of lightweight performance, durability, and precision engineering.\u003c\/p\u003e\n\u003chr data-start=\"1183\" data-end=\"1186\"\u003e\n\u003ch2 data-section-id=\"1u8dber\" data-start=\"1188\" data-end=\"1221\"\u003eWhy Choose the Elevn Rear Cog?\u003c\/h2\u003e\n\u003cul data-start=\"1223\" data-end=\"1576\"\u003e\n\u003cli data-section-id=\"1byynfr\" data-start=\"1223\" data-end=\"1269\"\u003ePrecision CNC machined from 7075-T6 aluminum\u003c\/li\u003e\n\u003cli data-section-id=\"1c1ae8x\" data-start=\"1270\" data-end=\"1308\"\u003eLightweight and exceptionally strong\u003c\/li\u003e\n\u003cli data-section-id=\"12yhl20\" data-start=\"1309\" data-end=\"1346\"\u003eShimano cassette freehub compatible\u003c\/li\u003e\n\u003cli data-section-id=\"1kagy7x\" data-start=\"1347\" data-end=\"1396\"\u003eWide 5mm contact surface protects cassette body\u003c\/li\u003e\n\u003cli data-section-id=\"5q9my0\" data-start=\"1397\" data-end=\"1449\"\u003eImproves load distribution under hard acceleration\u003c\/li\u003e\n\u003cli data-section-id=\"8r76h8\" data-start=\"1450\" data-end=\"1491\"\u003eAvailable in 14T, 15T, 16T, 17T and 18T\u003c\/li\u003e\n\u003cli data-section-id=\"123jiqn\" data-start=\"1492\" data-end=\"1530\"\u003eDesigned specifically for BMX racing\u003c\/li\u003e\n\u003cli data-section-id=\"yoos61\" data-start=\"1531\" data-end=\"1576\"\u003eHigh-quality anodized finish for durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1578\" data-end=\"1581\"\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1583\" data-end=\"1594\"\u003eFeatures\u003c\/h2\u003e\n\u003ch3 data-section-id=\"vbpwv4\" data-start=\"1596\" data-end=\"1637\"\u003ePremium 7075-T6 Aluminum Construction\u003c\/h3\u003e\n\u003cp data-start=\"1639\" data-end=\"1858\"\u003eManufactured from aerospace-grade \u003cstrong data-start=\"1673\" data-end=\"1693\"\u003e7075-T6 aluminum\u003c\/strong\u003e, the Elevn Rear Cog provides outstanding strength while keeping rotating weight to a minimum. The result is quicker acceleration and improved drivetrain efficiency.\u003c\/p\u003e\n\u003ch3 data-section-id=\"x2c5y7\" data-start=\"1860\" data-end=\"1886\"\u003ePrecision CNC Machined\u003c\/h3\u003e\n\u003cp data-start=\"1888\" data-end=\"2091\"\u003eEach cog is CNC machined to extremely tight tolerances for smooth chain engagement, precise tooth profiles, and consistent performance under the high loads generated during BMX gate starts and sprinting.\u003c\/p\u003e\n\u003ch3 data-section-id=\"2tn5dl\" data-start=\"2093\" data-end=\"2121\"\u003eWide 5mm Contact Surface\u003c\/h3\u003e\n\u003cp data-start=\"2123\" data-end=\"2280\"\u003eA key feature of the Elevn Rear Cog is its \u003cstrong data-start=\"2166\" data-end=\"2197\"\u003e5mm-wide engagement surface\u003c\/strong\u003e, which spreads pedaling loads over a larger area of the cassette body. This helps:\u003c\/p\u003e\n\u003cul data-start=\"2282\" data-end=\"2445\"\u003e\n\u003cli data-section-id=\"4cpoxr\" data-start=\"2282\" data-end=\"2322\"\u003eReduce wear on aluminum freehub bodies\u003c\/li\u003e\n\u003cli data-section-id=\"repdwt\" data-start=\"2323\" data-end=\"2361\"\u003ePrevent notching of cassette splines\u003c\/li\u003e\n\u003cli data-section-id=\"1h0u8nx\" data-start=\"2362\" data-end=\"2393\"\u003eIncrease drivetrain longevity\u003c\/li\u003e\n\u003cli data-section-id=\"1sg5g58\" data-start=\"2394\" data-end=\"2445\"\u003eImprove load distribution during powerful sprints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1xu3hwd\" data-start=\"2447\" data-end=\"2478\"\u003eShimano Cassette Compatible\u003c\/h3\u003e\n\u003cp data-start=\"2480\" data-end=\"2628\"\u003eDesigned to fit \u003cstrong data-start=\"2496\" data-end=\"2534\"\u003eShimano HG cassette freehub bodies\u003c\/strong\u003e, the Elevn Rear Cog is compatible with many popular BMX race hubs from leading manufacturers.\u003c\/p\u003e\n\u003ch3 data-section-id=\"z0lq7i\" data-start=\"2630\" data-end=\"2656\"\u003eMultiple Tooth Options\u003c\/h3\u003e\n\u003cp data-start=\"2658\" data-end=\"2726\"\u003eChoose the ideal gearing for your riding style and track conditions.\u003c\/p\u003e\n\u003cp data-start=\"2728\" data-end=\"2744\"\u003eAvailable sizes:\u003c\/p\u003e\n\u003cul data-start=\"2746\" data-end=\"2800\"\u003e\n\u003cli data-section-id=\"1wu6xfp\" data-start=\"2746\" data-end=\"2756\"\u003e14 Tooth\u003c\/li\u003e\n\u003cli data-section-id=\"hr8nes\" data-start=\"2757\" data-end=\"2767\"\u003e15 Tooth\u003c\/li\u003e\n\u003cli data-section-id=\"14g2nyf\" data-start=\"2768\" data-end=\"2778\"\u003e16 Tooth\u003c\/li\u003e\n\u003cli data-section-id=\"1ojpg1y\" data-start=\"2779\" data-end=\"2789\"\u003e17 Tooth\u003c\/li\u003e\n\u003cli data-section-id=\"psgq15\" data-start=\"2790\" data-end=\"2800\"\u003e18 Tooth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2802\" data-end=\"2805\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"2807\" data-end=\"2824\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2826\" data-end=\"3134\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2826\" data-end=\"2853\"\u003e\n\u003ctr data-start=\"2826\" data-end=\"2853\"\u003e\n\u003cth data-start=\"2826\" data-end=\"2842\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"2842\" data-end=\"2853\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2882\" data-end=\"3134\"\u003e\n\u003ctr data-start=\"2882\" data-end=\"2899\"\u003e\n\u003ctd data-start=\"2882\" data-end=\"2890\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2890\" data-end=\"2899\"\u003eElevn\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2900\" data-end=\"2922\"\u003e\n\u003ctd data-start=\"2900\" data-end=\"2910\" data-col-size=\"sm\"\u003eProduct\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2910\" data-end=\"2922\"\u003eRear Cog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2923\" data-end=\"2954\"\u003e\n\u003ctd data-start=\"2923\" data-end=\"2934\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2934\" data-end=\"2954\"\u003e7075-T6 Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2955\" data-end=\"2987\"\u003e\n\u003ctd data-start=\"2955\" data-end=\"2971\" data-col-size=\"sm\"\u003eManufacturing\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2971\" data-end=\"2987\"\u003eCNC Machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2988\" data-end=\"3035\"\u003e\n\u003ctd data-start=\"2988\" data-end=\"3004\" data-col-size=\"sm\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3004\" data-end=\"3035\"\u003eShimano HG Cassette Freehub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3036\" data-end=\"3081\"\u003e\n\u003ctd data-start=\"3036\" data-end=\"3054\" data-col-size=\"sm\"\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3054\" data-end=\"3081\"\u003e14T, 15T, 16T, 17T, 18T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3082\" data-end=\"3106\"\u003e\n\u003ctd data-start=\"3082\" data-end=\"3098\" data-col-size=\"sm\"\u003eContact Width\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3098\" data-end=\"3106\"\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3107\" data-end=\"3134\"\u003e\n\u003ctd data-start=\"3107\" data-end=\"3120\" data-col-size=\"sm\"\u003eDiscipline\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3120\" data-end=\"3134\"\u003eBMX Racing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"3136\" data-end=\"3139\"\u003e\n\u003ch2 data-section-id=\"2m0hh5\" data-start=\"3141\" data-end=\"3179\"\u003eBenefits of a Wide Contact Rear Cog\u003c\/h2\u003e\n\u003cp data-start=\"3181\" data-end=\"3338\"\u003eMost lightweight cassette cogs concentrate pedaling forces on a narrow contact area, which can eventually cause wear or notching on aluminum cassette bodies.\u003c\/p\u003e\n\u003cp data-start=\"3340\" data-end=\"3430\"\u003eThe Elevn Rear Cog's wider 5mm interface distributes these forces more evenly, helping to:\u003c\/p\u003e\n\u003cul data-start=\"3432\" data-end=\"3571\"\u003e\n\u003cli data-section-id=\"1s2bwvq\" data-start=\"3432\" data-end=\"3463\"\u003eExtend cassette body lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"1rwt0iw\" data-start=\"3464\" data-end=\"3487\"\u003eReduce freehub damage\u003c\/li\u003e\n\u003cli data-section-id=\"1ei1hvy\" data-start=\"3488\" data-end=\"3520\"\u003eImprove drivetrain reliability\u003c\/li\u003e\n\u003cli data-section-id=\"8oews6\" data-start=\"3521\" data-end=\"3571\"\u003eMaintain consistent power transfer during racing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3573\" data-end=\"3657\"\u003eThis makes it an excellent upgrade for riders using high-end aluminum cassette hubs.\u003c\/p\u003e\n\u003chr data-start=\"3659\" data-end=\"3662\"\u003e\n\u003ch2 data-section-id=\"1vdrhtn\" data-start=\"3664\" data-end=\"3676\"\u003eIdeal For\u003c\/h2\u003e\n\u003cp data-start=\"3678\" data-end=\"3712\"\u003eThe Elevn Rear Cog is perfect for:\u003c\/p\u003e\n\u003cul data-start=\"3714\" data-end=\"3877\"\u003e\n\u003cli data-section-id=\"ck9f0v\" data-start=\"3714\" data-end=\"3726\"\u003eBMX Racing\u003c\/li\u003e\n\u003cli data-section-id=\"19s8c8i\" data-start=\"3727\" data-end=\"3767\"\u003eNational and International Competition\u003c\/li\u003e\n\u003cli data-section-id=\"1wk20ua\" data-start=\"3768\" data-end=\"3782\"\u003eElite Riders\u003c\/li\u003e\n\u003cli data-section-id=\"1qpoq9p\" data-start=\"3783\" data-end=\"3798\"\u003eExpert Riders\u003c\/li\u003e\n\u003cli data-section-id=\"zskzn\" data-start=\"3799\" data-end=\"3829\"\u003eLightweight Race Bike Builds\u003c\/li\u003e\n\u003cli data-section-id=\"1qr588f\" data-start=\"3830\" data-end=\"3877\"\u003eRiders using Shimano-compatible cassette hubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3879\" data-end=\"3882\"\u003e\n\u003ch2 data-section-id=\"zsh5q4\" data-start=\"3884\" data-end=\"3911\"\u003eWhy Buy from RaceBMX.sg?\u003c\/h2\u003e\n\u003cp data-start=\"3913\" data-end=\"4186\"\u003eAt \u003cstrong data-start=\"3916\" data-end=\"3930\"\u003eRaceBMX.sg\u003c\/strong\u003e, we specialise in BMX racing components trusted by riders across Singapore and Southeast Asia. We stock genuine Elevn products, offer expert product advice, and provide fast shipping so you can spend more time on the track and less time waiting for parts.\u003c\/p\u003e\n\u003chr data-start=\"4188\" data-end=\"4191\"\u003e\n\u003ch2 data-section-id=\"1r8frcv\" data-start=\"4193\" data-end=\"4222\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 data-section-id=\"19l9ib8\" data-start=\"4224\" data-end=\"4288\"\u003eIs the Elevn Rear Cog compatible with Shimano cassette hubs?\u003c\/h3\u003e\n\u003cp data-start=\"4290\" data-end=\"4396\"\u003eYes. It is designed to fit standard \u003cstrong data-start=\"4326\" data-end=\"4364\"\u003eShimano HG cassette freehub bodies\u003c\/strong\u003e commonly used on BMX race hubs.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1i5ixt0\" data-start=\"4398\" data-end=\"4437\"\u003eWhat size rear cog should I choose?\u003c\/h3\u003e\n\u003cp data-start=\"4439\" data-end=\"4650\"\u003eThe correct tooth count depends on your preferred gear ratio, chainring size, rider strength, and track layout. Common BMX race setups include combinations such as \u003cstrong data-start=\"4603\" data-end=\"4612\"\u003e44\/16\u003c\/strong\u003e, \u003cstrong data-start=\"4614\" data-end=\"4623\"\u003e43\/16\u003c\/strong\u003e, \u003cstrong data-start=\"4625\" data-end=\"4634\"\u003e45\/16\u003c\/strong\u003e, and \u003cstrong data-start=\"4640\" data-end=\"4649\"\u003e46\/17\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ew9dve\" data-start=\"4652\" data-end=\"4697\"\u003eWhy is the 5mm contact surface important?\u003c\/h3\u003e\n\u003cp data-start=\"4699\" data-end=\"4838\"\u003eThe wider engagement area distributes pedaling forces more evenly, reducing wear and helping to prevent damage to aluminum cassette bodies.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1m2482a\" data-start=\"4840\" data-end=\"4893\"\u003eIs 7075-T6 aluminum strong enough for BMX racing?\u003c\/h3\u003e\n\u003cp data-start=\"4895\" data-end=\"5065\"\u003eYes. 7075-T6 aluminum is one of the strongest aluminum alloys available and is widely used in premium BMX racing components due to its excellent strength-to-weight ratio.\u003c\/p\u003e","brand":"Race BMX Singapore","offers":[{"title":"Silver \/ 14T","offer_id":47732559085746,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Silver \/ 15T","offer_id":47732559118514,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Silver \/ 16T","offer_id":47732559151282,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":true},{"title":"Silver \/ 17T","offer_id":47732559184050,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Silver \/ 18T","offer_id":47732559216818,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Black \/ 14T","offer_id":47732559249586,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Black \/ 15T","offer_id":47732559282354,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Black \/ 16T","offer_id":47732559315122,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Black \/ 17T","offer_id":47732559347890,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Black \/ 18T","offer_id":47732559380658,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Blue \/ 14T","offer_id":47732559413426,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Blue \/ 15T","offer_id":47732559446194,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Blue \/ 16T","offer_id":47732559478962,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Blue \/ 17T","offer_id":47732559511730,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Blue \/ 18T","offer_id":47732559544498,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Red \/ 14T","offer_id":47732559577266,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Red \/ 15T","offer_id":47732559610034,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Red \/ 16T","offer_id":47732559642802,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Red \/ 17T","offer_id":47732559675570,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false},{"title":"Red \/ 18T","offer_id":47732559708338,"sku":null,"price":58.0,"currency_code":"SGD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/8848\/2482\/files\/elevn-aluminium-cogs_3.jpg?v=1784561810","url":"https:\/\/racebmx.sg\/products\/elevn-aluminum-rear-cog","provider":"Race BMX Singapore","version":"1.0","type":"link"}