Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed, Short Cage, With Clutch

Shimano ZEE RD-M640 Rear Derailleurs Shadow Plus technology proven to reduce chain slap, drop and impact noise and the 10-speed short cage rear derailleur's low-profile tucks safely below the cassette cogs Item Specifications Color Gray Weight 250 Largest Cog 28 Chain Wrap Capacity 25 Cage Length Short Drivetrain Speeds 10 Rear Der/Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount

Close ratio option is designed for DH riding Shimano's stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise