Additional sealed lever bearings reduce shifting effort for the smoothest 9-speed shifting on the market

Not all pedals use a 15mm wrench

Weight: 558g (170mm

cable or housing

Available in four sizes: Small 1

Shimano Zee RD-M640 Shadow Plus 10 Speed Rear Derailleur PLP|Riding Style Additional sealed lever bearings reduceThe 10 speed Zee RD M640 features Shadow Plus technology that significantly reduces chain noise and offers a more stable drivetrain. Features: Shadow RD + Short cage 10 speed only Shadow RD technology: Super low profile design with built in chain stabilizer Freeride spec 11 36T Capacity DH Spec 11 28T Capacity