11 and 12-Speed Drivetrain Systems
Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear.
52mm or 53mm (Boost chainline)
M3 narrow-wide tooth profile
Bosch™, Brose™, Shimano™ & Fazua™
Lightweight and durable design, minimal aesthetics, and updated M3 tooth profile.
32t (Shimano only), 34t, 36t, 38t
Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase