CHAINRING SRAM 40T 107mm 4B X-SYNC ROAD BK

Description

SRAM X-Sync wide-tooth, narrow-tooth chainring technology provides maximum chain control

Laser-etched chainring finish is more durable

X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear

Can be installed with a single tool, making gearing changes a breeze