The Shimano 10 speed ZEE SHADOW+ RD rear derailleur has been designed for Enduro, Freeride and DH.
The 10 speed Zee RD-M640 rear derailleur features Shadow Plus technology that significantly reduces chain noise and offers a more stable drivetrain.
Shadow Plus: Super low-profile design with built in chain stabilizer. It has an activation switch to block the cage for keeping the chain tight. Push the switch again for desactivation (especially to remove the wheel).
Cage Length : Short
Colour : Grey
Speed : 10