- Great value Altus rear derailleur offering 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
- Parts
- Gears & Drivetrain
- rd-m370 altus rear derailleur, 9-speed, sgs, black