{"product_id":"rzeozu-65t-54mm-bore-drive-chain-upgrade-kit-with-108-link-chain-for-razor-mx650-mx500-sx500-rsf650","title":"RZEOZU 65T 54mm Bore Drive Chain Upgrade Kit with 108-Link Chain for Razor MX650 MX500 SX500 RSF650","description":"\u003cdiv\u003e\n  \u003cp\u003eUpgrade your Razor MX-series ride with the RZEOZU 65T sprocket and 108-link drive chain upgrade kit. Built for durability and reliable power transfer, this kit offers flexible gearing options designed to suit different riding styles and terrain. The combination of a 65-tooth rear sprocket and a robust 108-link chain creates a balanced setup that can feel smoother on varied surfaces, from backcountry trails to dirt park sections.\u003c\/p\u003e\n  \u003ch3\u003eWhy consider an upgrade\u003c\/h3\u003e\n  \u003cp\u003eRaising or refining your gear ratio can influence how the bike responds under load. A larger front sprocket is typically associated with easier cruising at modest speeds and steadier throttle feel, potentially reducing wear on the drive train. A smaller front sprocket may improve hill-climbing performance and throttle immediacy, which some riders find more responsive for tight turns and quick bursts. The 108-link chain provides length and strength to help maintain consistent engagement during off-road use, reducing the chance of slippage during aggressive riding.\u003c\/p\u003e\n  \u003ch3\u003eWhat’s included in the kit\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x 65T rear sprocket with a 54 mm bore\u003c\/li\u003e\n    \u003cli\u003e1 x 108-link drive chain\u003c\/li\u003e\n    \u003cli\u003e1 x flywheel adapter\u003c\/li\u003e\n    \u003cli\u003e3 x motor sprockets: 9T, 11T, 13T\u003c\/li\u003e\n    \u003cli\u003e5 x master links\u003c\/li\u003e\n    \u003cli\u003e1 x chain breaker\u003c\/li\u003e\n    \u003cli\u003e4 x screws, 4 x nuts\u003c\/li\u003e\n    \u003cli\u003e3 x wrenches\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eCompatibility and setup notes\u003c\/h3\u003e\n  \u003cp\u003eDesigned for Razor MX650, MX500, SX500, and RSF650 models. Note: MY1020 type motors are compatible; verify the motor sprocket mounting length is 10 mm and width is 8.5 mm to ensure a proper fit on your bike.\u003c\/p\u003e\n  \u003ch3\u003eHow to choose your gearing\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eUsing a larger front sprocket (11T or 13T) may support faster top-end feel and smoother power delivery.\u003c\/li\u003e\n    \u003cli\u003eSwitching to a smaller front sprocket (9T) can enhance hill-climbing ability and throttle response.\u003c\/li\u003e\n    \u003cli\u003eThe 65T rear sprocket helps provide a balanced gear ratio when paired with the available front sprockets.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eWith the included tools and adapters, installation can feel straightforward for riders comfortable with basic maintenance. The kit is designed to withstand off-road conditions and aims to deliver a steadier, more controlled ride across varied terrain without promising guarantees. Results can vary based on the bike’s baseline setup and riding style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this upgrade kit compatible with Razor MX650?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits Razor MX650, MX500, SX500, and RSF650 models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the RZEOZU upgrade kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes a 65T sprocket, 108-link chain, flywheel adapter, motor sprockets (9T\/11T\/13T), master links, a chain breaker, wrenches, and fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RZEOZU","offers":[{"title":"Default Title","offer_id":42487468752981,"sku":"B0GJ4CK3KM","price":80.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/rzeozu-65t-sprocket-54mm-bore-front-view.jpg?v=1778430466","url":"https:\/\/plentytorque.co.uk\/products\/rzeozu-65t-54mm-bore-drive-chain-upgrade-kit-with-108-link-chain-for-razor-mx650-mx500-sx500-rsf650","provider":"PlentyTorque","version":"1.0","type":"link"}