{"product_id":"e-c-razor-35-hd-ultralight-sprocket-chain-kit-7075-aluminum-rear-sprocket-for-mx500-mx650-sx500-rsf650","title":"E\u0026C Razor #35 HD Ultralight Sprocket \u0026 Chain Kit – 7075 Aluminum Rear Sprocket for MX500 \/ MX650 \/ SX500 \/ RSF650","description":"\u003ch1\u003eE\u0026amp;C Razor #35 HD Ultralight Sprocket \u0026amp; Chain Kit\u003c\/h1\u003e\n\u003cp\u003eThe ultimate chain and sprocket upgrade for your Extreme Razor Kit. Our \u003cstrong\u003eHeavy-Duty #35 Ultralight Chain Kit\u003c\/strong\u003e is built to handle the savage power output of the Extreme Kit — delivering less wear, less maintenance, and no more thrown chains.\u003c\/p\u003e\n\n\u003cp\u003eThe rear sprocket is CNC-machined from \u003cstrong\u003e7075 aerospace-grade aluminum\u003c\/strong\u003e with maximum lightening holes to minimize rotating mass. Paired with a heavy-duty #35 chain, upgraded tensioner spring, and a direct-fit front sprocket for MY1020, EC4P, or The \"ONE\" motor — this kit is a complete, drop-in drivetrain upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eKit Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x 65T E\u0026amp;C HD #35 Ultralight Rear Sprocket (7075 Aerospace Aluminum)\u003c\/li\u003e\n\u003cli\u003e1x Heavy-Duty #35 Chain\u003c\/li\u003e\n\u003cli\u003e1x Front #35 Sprocket — Spline (9T) or D-Bore (10T)\u003c\/li\u003e\n\u003cli\u003e1x Upgraded Chain Tensioner Spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSignificantly stronger than stock chain offerings\u003c\/li\u003e\n\u003cli\u003e7075 aerospace aluminum rear sprocket – maximum strength, minimum weight\u003c\/li\u003e\n\u003cli\u003eUpgraded tensioner spring eliminates chain throw\u003c\/li\u003e\n\u003cli\u003eDirect-fit front sprocket for MY1020, EC4P, and The \"ONE\" motor\u003c\/li\u003e\n\u003cli\u003eReduced chain wear and maintenance vs. OEM alternatives\u003c\/li\u003e\n\u003cli\u003eAdds an aggressive drivetrain sound upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRazor MX500\u003c\/li\u003e\n\u003cli\u003eRazor MX650\u003c\/li\u003e\n\u003cli\u003eRazor SX500\u003c\/li\u003e\n\u003cli\u003eRazor RSF650\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot compatible with ETM or other bike models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eRefer to product photos to identify your motor shaft style (Spline or D-Bore) before ordering. No returns.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eA \u003ca href=\"https:\/\/electroandcompany.com\/products\/e-c-chain-breaker-tool\" rel=\"noopener noreferrer\" target=\"_blank\"\u003echain breaker tool\u003c\/a\u003e is required for stock swing arms and may be needed in general.\u003c\/li\u003e\n\u003cli\u003eThis kit uses different gear ratios than the stock OEM chain. A 9T front sprocket is highly recommended — a heavier chain increases load and heat.\u003c\/li\u003e\n\u003cli\u003eRSF650 owners: the stock chain tensioner may need to be removed for clearance. \u003cstrong\u003eThis mostly affects RSF bikes.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eLead Time: 3–5 Business Days ARO*\u003c\/strong\u003e\u003c\/p\u003e","brand":"Electro \u0026 Co","offers":[{"title":"Spline","offer_id":48017776509169,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false},{"title":"D-Bore","offer_id":48017776541937,"sku":null,"price":69.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/photo-output_2.jpg?v=1775852591","url":"https:\/\/howlingmoto.com\/products\/e-c-razor-35-hd-ultralight-sprocket-chain-kit-7075-aluminum-rear-sprocket-for-mx500-mx650-sx500-rsf650","provider":"Howling Moto","version":"1.0","type":"link"}