DID/PBR Chain Kit 520VX3 13/51 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket RFX Pro Series axle blocks

RFX Pro Series axle blocks are CNC machined for extra accuracy eliminating the Guess work in alignment of rear wheel

FLY's unique Adaptive Waist System (AWS) provides a custom fit

Stackable for easy storage of multiple units

exceptional strenght and endurance thanks to the internal easily removable TPU wear pad

DID/PBR Chain Kit 520VX3 13/51 Standard - Ultra-Light Self-Cleaning Hard Anodized Rear Sprocket RFX Pro Series axle blocksPBR 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