DID/PBR Chain Kit 520VX3 13/50 Standard - Standard Rear Sprocket aluminum lightness and carbon fiber

aluminum lightness and carbon fiber flexibility

} Racing experience

Made of High Density PolyEthylen 8mm thick

Radius X (DDS)

Secondary Shaft Bearings

DID/PBR Chain Kit 520VX3 13/50 Standard - Standard Rear Sprocket aluminum lightness and carbon fiberPBR chain set with steel standard sprocket, and the following sprocket alternatives: Ultra Light aluminum hard anodized sprocket Ultralight rear sprocket Ultralight hard anodized rear sprocket Ultralight, self cleaning, hard anodized sprocket and D. I. D 520VX3 X Ring Chain 520 (see scope of delivery) For outstanding performance and durability: The PBR chain set consists of the robust PBR steel standard sprocket, a high strength PBR sprocket, which is