The SRAM Rival AXS left crank arm features a power meter entirely contained within the DUB spindle for effortless integration with any bike. Just install, pair, and ride with accurate, reliable power data.
- Rival AXS wide aluminum left crank arm with spindle-based power meter
- Measures left-side power to calculate total wattage
- Long battery life provides power for a full season of rides
- Waterproof to IPX7 (submersible to 1 meter for 30 minutes)
- Right crank arm, bottom bracket, spider, and chainring sold separately