DID PBR Chain Kit 520VX3 13 50 Standard Ultra Light Rear Sprocket Our off road premium swing armkitisdesigned Our off road premium swing armkitisdesigned from ground up to be the most comprehensive OEM replacement kit available on the market R4 outsole – carbon injected nylon Performance: Ideal for everyday use and sporty drivers who value performance and reliability The ideal chain set for anyone who wants to get the best out of their motorcycle