Shimano ZEE M640-SSW 10-Speed Free-Ride Shadow Plus Rear Derailleur

Shimano ZEE RD-M640 Rear Derailleurs Features-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-FR spec designed for use with wide-range cassettes; up to 36t max cog Item Specifications-Color:Gray-Weight:250-Largest Cog:36-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

FR spec designed for use with wide-range cassettes; up to 36t max cog Shimano's stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise