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 of rides Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Right crank arm Bottom bracket Spider Chainring sold separately)
| Length | 160, 165, 170, 172.5, 175 |
| Color | Black |
| Spindle Interface Type | SRAM DUB |
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