The 9-speed SHIMANO ALTUS M370 rear derailleur uses its MEGA 9 DRIVE TRAIN design to deliver smooth, light action shifting performance
– Crisp performance on and off road for 9-speed drivetrains
– Wide link design increases rigidity and service life
– 11-tooth pulleys for reduced pulley wear and chain noise
– Advanced light action design with low friction fluorine coated link pivot bushings
– Top-normal swing design
– Total capacity 45T
– Compatible with 9-speed Hyperglide sprockets