Shimano Zee RD-M640 Shadow Plus 10 Speed Rear Derailleur PDP|Option width marks allow you to

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

5" weighs 932gm

The black finish offers anti-corrosion protection and it even has a bottle opener for when you hit the end of the ride and need to tuck into some refreshment

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

Shimano Zee RD-M640 Shadow Plus 10 Speed Rear Derailleur PDP|Option width marks allow you toThe 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