Sunrace RD-MZ600 12 speed Blk rear derailleur 9-10-11-12 sp 5 recessed slots create channels

5 recessed slots create channels to allow water mud and other debris trapped between the pad and rotor to escape during braking

Excellent grip and rolling resistance due to tread pattern and rubber compounds

Rebound adjustment independent High and Low Speed Compression adjustment and an easy-to-adjust Threshold Lever for added pedaling efficiency

6 bolt disc brake interface

Sunrace RD-MZ600 12 speed Blk rear derailleur 9-10-11-12 sp 5 recessed slots create channels12 speed rear derailleur for wide range 1x drivetrains. Integrated chain stabilizer. Alloy cage with forged alloy links TECH SPECS MZ600 12sp 51 Mid 2to1 Blk 278g