Shimano ZEE SL-M640A 10-Speed Right Shifter Axle to Crown Length-571 Maven is the benchmark of

Maven is the benchmark of power for modern riders providing them with the boundless power of confidence and commitment

The ultimate climbing wheelset combining light weight and aero-optimization for a swift rise to the top

Model XT Asym 96BCD Ring Type Single (Anti-Chain Drop) Mount 4x96mm Teeth 34 Oval/Round Oval Color Black Shape Oval

and cadence to within 3%

Shimano ZEE SL-M640A 10-Speed Right Shifter Axle to Crown Length-571 Maven is the benchmark ofShimano ZEE SL M640 Right ShifterDyna Sys compatible for easy set up and accurate low effort shifting Right side only New paddle shapes with 2 way release and dimpled main lever Color Black Rear Der Shifter Compatibility Shimano Mountain Drivetrain Speeds 10 Weight 127 Shifter Style Trigger