Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio Freeride MFPN=RF726-GKSK-B2 75 Tire Diameter/ISO 26/559 e-Bike

75 Tire Diameter/ISO 26/559 e-Bike approved No Size 26X1

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

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

4-piston brakes and a size-specific dropper post—available in Matte Black and Almond

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

Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio Freeride MFPN=RF726-GKSK-B2 75 Tire Diameter/ISO 26/559 e-BikeShimano 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