SRAM Rival Power Meter Upgrade Left Arm/Spindle D1 DUB Black

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SRAM Rival Power Meter Upgrade Left Arm/Spindle D1 DUB Black

Bring accurate, dependable power measurement to every ride with the SRAM Rival Power Meter Upgrade. Designed as a direct replacement for the left crank arm and spindle on D1 DUB cranksets, this upgrade transforms your bike into a data-rich training tool without the expense of a full power meter crankset. Built on SRAM’s trusted Quarq technology, it delivers consistent, temperature-compensated readings you can rely on in all conditions.

- DUB bottom bracket compatibility for a stiff, durable and lightweight spindle interface

- Left-arm-only power measurement with +/-1.5% accuracy

- Long-lasting battery life (400+ hours) from a single CR2032 coin cell

- Simple setup via SRAM AXS app for firmware updates and zero-offset calibration

- Slim, integrated design that maintains the clean look of your crankset

- IPX7 water-resistant rating for all-weather riding

- Includes left arm, spindle and pre-installed battery

Perfect for riders upgrading an existing SRAM Rival D1 groupset, this power meter arm adds real-world performance data without the hassle of changing your chainrings or bottom bracket.

GTIN: 710845864995