DID/PBR Chain Kit 520MX 13/50 RACING - Ultra-Light Rear Sprocket Aviation-grade 7075-T6 aluminum alloy
Baker’s notes & crumb story
Description
DID PBR Chain Kit 520MX 13 50 RACING Ultra Light Rear Sprocket Aviation grade 7075 T6 aluminum alloy Aviation grade 7075 T6 aluminum alloy CNC Machined Construction