NEW Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed, Short Cage, Gray, With Clutch, Close Ratio For DH chain_12speed titanium spindle and ceramic bearings

titanium spindle and ceramic bearings creating a pedal of incomparable weight and impressive aerodynamics

designed to handle any road surface

It's light enough to respond instantly from the first pedal stroke

Customize with free apps

Upper Stack Height: 16

NEW Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed, Short Cage, Gray, With Clutch, Close Ratio For DH chain_12speed titanium spindle and ceramic bearingsShimano ZEE RD M640 Rear Derailleurs Shimano's stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise Rear Derailleur Mount Type: 10x1 Standard Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Der Shifter Compatibility: Shimano Mountain Cage Length: Short Drivetrain Speeds: 10 Weight: 250 Color: Gray keyword search: Shimano2018 Chain Wrap Capacity (teeth): 25 Largest Cog: 28