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

it will not only keep you glued to the pedals but will also keep your feet safe

it can be upgraded to 4-bikes with the StageTwo Plus 2 Add-On

with breathable insulation that'll wick away sweat while keeping you snug and protecting you from the cold

FE Bearing - Flanged and extended inner race

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