{"product_id":"primary-belt-to-chain-conversion-kit-219-rk-sealed-o-ring-e-ride-pro-2-0-3-0-sr","title":"Primary Belt to Chain Conversion Kit | 219 | RK Sealed O-Ring | E Ride Pro 2.0\/3.0\/4.0\/SR","description":"\u003ch1 align=\"center\"\u003eDirtyBike 219 Primary Chain Drive Kit | E Ride Pro SS, SS 2.0, SS 3.0, 4.0 and SR\u003c\/h1\u003e\n\u003cp\u003eA primary belt can work well until added power, hard acceleration, or a long day on the trail causes it to slip or fail. The DirtyBike 219 Primary Chain Drive Kit replaces the factory belt system with a quiet, durable chain conversion designed for riders who want to explore farther without worrying about a broken belt ending the ride.\u003c\/p\u003e\n\u003cp\u003eAt the center of this kit is an \u003cstrong\u003eRK 219 KRO sealed O-ring racing chain\u003c\/strong\u003e. RK chains have earned more than 50 World Kart Championship wins, bringing proven racing experience to the E Ride Pro platform. The sealed design helps retain lubrication and keep contaminants out, resulting in lower maintenance, reduced chain noise, and a longer service life.\u003c\/p\u003e\n\u003cp\u003eDirtyBike pairs the RK chain with hardened steel sprockets to reduce wear and maintain reliable power delivery. The complete system is approximately \u003cstrong\u003e20% lighter and more efficient than the stock belt drive\u003c\/strong\u003e, helping improve acceleration and run time while maintaining the factory gear ratio. DirtyBike also engineered the conversion to minimize drag, so riders gain the strength of a chain drive without the excessive noise commonly associated with heavier conversion systems.\u003c\/p\u003e\n\u003ch2 align=\"center\"\u003eDirtyBike Belt-to-Chain Conversion Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRK 219 KRO sealed O-ring racing chain\u003c\/li\u003e\n\u003cli\u003eHardened steel sprockets for reduced wear\u003c\/li\u003e\n\u003cli\u003eApproximately 20% lighter than the stock belt system\u003c\/li\u003e\n\u003cli\u003eMore efficient power transfer\u003c\/li\u003e\n\u003cli\u003eImproved acceleration\u003c\/li\u003e\n\u003cli\u003ePotentially longer run time through reduced drivetrain loss\u003c\/li\u003e\n\u003cli\u003eMaintains the stock gear ratio\u003c\/li\u003e\n\u003cli\u003eReduced drag and chain noise\u003c\/li\u003e\n\u003cli\u003eLong-lasting alternative to the factory primary belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 align=\"center\"\u003eTechnical and Installation Information\u003c\/h2\u003e\n\u003cp\u003eCorrect chain lubrication and adjustment are important. With proper maintenance, the DirtyBike 219 system can provide years of service while remaining nearly as quiet as the stock belt drive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWoodruff key note:\u003c\/strong\u003e Some E Ride Pro motors have shallow woodruff keyways. During installation, it may be necessary to remove approximately 0.5 mm from one side of the woodruff key so it fits correctly. Confirm the key and sprocket fit before final assembly.\u003c\/p\u003e\n\u003cp\u003eFor the best installation and service results, review the applicable \u003cstrong\u003einstallation video, buyer and maintenance guide, and installation tool instructions\u003c\/strong\u003e before beginning the conversion.\u003c\/p\u003e\n\u003ch2 align=\"center\"\u003eFitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eE Ride Pro SS\u003c\/li\u003e\n\u003cli\u003eE Ride Pro SS 2.0\u003c\/li\u003e\n\u003cli\u003eE Ride Pro SS 3.0\u003c\/li\u003e\n\u003cli\u003eE Ride Pro SR\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 align=\"center\"\u003eChain Selection Guide\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e219 KMC standard chain:\u003c\/strong\u003e Recommended for on-road riding and light off-road use with stock power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e219H RK O-ring or non-O-ring kits:\u003c\/strong\u003e Recommended for on-road and off-road riding with power levels up to 16 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e420 sealed X-ring chain:\u003c\/strong\u003e Recommended for off-road builds producing more than 16 kW.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e420 non-O-ring chain:\u003c\/strong\u003e Intended for racing only. This setup is very loud.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 align=\"center\"\u003eWhy Upgrade to the DirtyBike 219 Drive?\u003c\/h2\u003e\n\u003cp\u003eThis conversion stands out because it combines the reliability of hardened steel sprockets with a championship-proven RK sealed chain. It is a strong choice for riders who have experienced belt slip, increased the power of their bike, or simply want more confidence on long rides where a primary belt failure could leave them stranded.\u003c\/p\u003e\n\u003ch3 align=\"center\"\u003eRecommended For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrail and group riders who want dependable performance far from the truck\u003c\/li\u003e\n\u003cli\u003ePerformance-focused riders looking for better acceleration and efficient power transfer\u003c\/li\u003e\n\u003cli\u003eE Ride Pro owners who want a quiet, serviceable replacement for the stock primary belt system\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"eDirtyBike","offers":[{"title":"Blue","offer_id":52254689165602,"sku":"EP-2.0-PCD-GS-219RK-BL","price":112.0,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":52254689198370,"sku":"EP-2.0-PCD-GS-219RK-OR","price":112.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0093\/1672\/8892\/files\/ERidePro-Primary-Chain-Drive-219-RK-Blue_1ee6fc64-03d5-436d-a39c-e9c149226941.jpg?v=1785937435","url":"https:\/\/revrides.com\/products\/primary-belt-to-chain-conversion-kit-219-rk-sealed-o-ring-e-ride-pro-2-0-3-0-sr","provider":"REVRides","version":"1.0","type":"link"}