SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly – 172.5mm 12/13-Speed DUB PM Spindle BLK E1

SRAM 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 of rides
• Waterproof (IPX7 waterproof to 1 meter for 30 minutes)
• Right crank arm, bottom bracket, spider, chainring sold separately)

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