{"product_id":"rk-520-quick-acceleration-chain-and-sprocket-kit-9101-129px-for-bmw-s1000-rr-2012-2018","title":"RK 520 Quick Acceleration Chain and Sprocket Kit 9101-129PX for BMW S1000 RR 2012–2018","description":"Chain and Sprocket Kit - Quick Acceleration - Natural - BMW S1000 RR '12-'18\n\u003cp\u003eThe RK 520 Quick Acceleration Chain and Sprocket Kit, manufacturer part number 9101-129PX and vendor part number 9101-129PX, is designed for BMW S1000 RR motorcycles from 2012 through 2018. This complete drivetrain kit combines performance-focused race gearing with durable steel components to support quick acceleration and responsive power delivery.\u003c\/p\u003e\u003cp\u003eThe kit includes RK’s premium 520 XW-ring sealed chain and a Driven steel-alloy front sprocket with a black case-hardened finish. The sealed-chain design helps retain lubricant and protect internal components from contamination, while the hardened sprocket is built to withstand the demands of spirited riding and repeated acceleration. The natural-finish kit is suited for riders seeking a practical performance upgrade without sacrificing drivetrain durability.\u003c\/p\u003e\u003cp\u003eEngineered specifically for the BMW S1000 RR 2012–2018, the RK 9101-129PX kit provides compatible chain and sprocket components in one application-focused package. Its quick-acceleration gearing is intended to improve throttle response and launch performance, making it a suitable choice for track use, performance riding, or riders who want a more acceleration-oriented setup. Verify motorcycle year and model compatibility before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Fits BMW S1000 RR motorcycles from 2012–2018\u003c\/li\u003e\n\u003cli\u003eChain Size: 520-size XW-ring sealed chain\u003c\/li\u003e\n\u003cli\u003ePerformance: Quick-acceleration race gearing for responsive power delivery\u003c\/li\u003e\n\u003cli\u003eSprocket Construction: Driven steel-alloy front sprocket with black case-hardened finish\u003c\/li\u003e\n\u003cli\u003eDurability: Sealed-chain design helps retain lubricant and resist contamination\u003c\/li\u003e\n\u003cli\u003eBrand: RK\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 9101-129PX\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 9101-129PX\u003c\/li\u003e\n\u003cli\u003eFinish: Natural kit finish with black case-hardened front sprocket\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RK","offers":[{"title":"Default Title","offer_id":67549418455275,"sku":"12301701","price":297.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/4917753.png?v=1790688544","url":"https:\/\/ctracingservices.com\/products\/rk-520-quick-acceleration-chain-and-sprocket-kit-9101-129px-for-bmw-s1000-rr-2012-2018","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}