Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio Freeride MFPN=RF726-GKSK-B2 Iron 125-135C

Iron 125-135C

Color Carbon Rim Width (Internal) 21 Brake Track None Wheel Size 700c Defined Color Black ISO Diameter 622 / Road / 29" Hub Drilling 24 Rim Material Carbon Tire Type Tubeless Ready Valve Presta

- VENTILATION: Optimized vent placement and internal channels help provide cooling during intense climbs and summer rides without sacrificing speed

Perfect for low-torque applications such as stem bolts levers and carbon fiber components

CNC 7075 hard aluminum cassette body with Shimano HG splines

Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio Freeride MFPN=RF726-GKSK-B2 Iron 125-135CShimano 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