NEW Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed, Short Cage, Gray, With Clutch, Wide Ratio for Freeride variant-size-56cm Adjustable to fit most racks

Adjustable to fit most racks

Precision machined aluminum

It has enough lug to provide bite on the loose stuff and a tightly center tread that doesn't drag on harder surfaces

Standard width of 735mm

NEW Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed, Short Cage, Gray, With Clutch, Wide Ratio for Freeride variant-size-56cm Adjustable to fit most racksShimano 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: 36