Shimano RD-M640 Zee Rear Derailleur 10 Speed Freeride
The 10-speed Zee RD-M640 features Shadow Plus technology that significantly reduces chain noise and offers a more stable drivetrain. There are two Zee rear derailleurs available: the DH spec which handles a max rear sprocket of 28t, or this Freeride spec which handles a rear sprocket up to 36t.
Shipping Weight: 428g.
- Shadow RD+
- Short cage
- 10-speed only
- Shadow RD technology: Super low-profile design with built in chain stabilizer
- Freeride Spec - 36T capacity