SRAM Rival AXS Wide Left Crank Arm Power Meter Spindle Assembly - 170mm 12/13-Speed DUB PM Spindle BLK E1 26mm flat palm brushing technique for

flat palm brushing technique for optimal control and comfort

Updated MV Easy Head valve allows for Presta/Schrader/Dunlop valves and also is consumer serviceable

Optimal material usage for weight

Redesigned surface pattern for improved traction and vibration dampening

SRAM Rival AXS Wide Left Crank Arm Power Meter Spindle Assembly - 170mm 12/13-Speed DUB PM Spindle BLK E1 26mm flat palm brushing technique forSRAM Rival AXS Wide Left Crank Arm and Power Meter Spindle Assembly 170mm 12 13 Speed DUB PM Spindle Carbon E1. The Rival AXS left crank arm features a power meter entirely contained in the DUB spindle unit for effortless integration with any bike. Just install pair and ride. Rival AXS wide aluminum left crank arm with power meter spindle Spindle based power meter unit measures left side power to calculate total watts Long battery life to power a