DID/PBR Chain Kit 520ERT3 13/50 Super-Reinforced - Ultra-Light Self-Cleaning Rear Sprocket CAD Designed profile for Lightness
Baker’s notes & crumb story
Description
DID PBR Chain Kit 520ERT3 13 50 Super Reinforced Ultra Light Self Cleaning Rear Sprocket CAD Designed profile for Lightness CAD Designed profile for Lightness RFX Pro series Axle blocks are CNC machined for extra accuracy eliminating the guess work when aligning the rear wheel