Shimano Zee RD-M640 Shadow Plus 10 Speed Rear Derailleur PDP|Option Includes 3 bolts

Includes 3 bolts

But your "One Bike to Rule Them All" deserves the extra confidence that a rock-solid

you can light the trail ahead like a rally car

width marks allow you to trim the bars down to suit your riding style and the width of your shoulders

Get the latest iteration of the XT brake in the four-piston variant

Shimano Zee RD-M640 Shadow Plus 10 Speed Rear Derailleur PDP|Option Includes 3 boltsThe 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