SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly - 172.5mm 12/13-Speed DUB PM Spindle BLK E1 Weight-195 X0 Transmission Cranks are maximized

X0 Transmission Cranks are maximized for title winning stiffness and feature the remarkable new XX Eagle Transmission (T-Type) direct mount chainring

Seals punctures up to 7mm instantly

Wick-fast fabric

The wool microfilaments penetrate deeply into the incisions of the structure

Race Filters: Highest airflow

SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly - 172.5mm 12/13-Speed DUB PM Spindle BLK E1 Weight-195 X0 Transmission Cranks are maximizedSRAM Rival AXS Left Crank Arm and Power Meter Spindle Assembly 172. 5mm 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 season