Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio Freeride MFPN=RF726-GKSK-B2 An evolution version of our

An evolution version of our popular Brown OV klister

Constructed of 4-way stretch elastic material that is engineered for increased compression and fit without heat retention

SRAM Model ID: FS-YARI-RC-B3

Swapping simplicity: quick chainring change with five small bolts and no nuts

Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio Freeride MFPN=RF726-GKSK-B2 An evolution version of ourShimano ZEE RD M640 Rear DerailleursShimano's stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise Largest Cog 36 Color Gray Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 10 Weight 250 Chain Wrap Capacity (teeth) 25 Cage Length Short