SRAM Left Arm and Power Meter Spindle Rival D1 DUB 160 (Right Arm/BB/Spider/Chainrings non included)Power every ride. We’ve taken the reliability, elegance and features of Quarq’s legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. It’s invisible technology that adds minimal weight and will help you get to the finish line faster, and can be used to upgrade any eTap AXS bike to power.

An elegant integrated design

DUB-PWR spindle-based unit measures left side power to calculate total watts

Proven Quarq reliability and accuracy

Long battery life (400+ hours) to power a season of rides

User replaceable lithium AAA battery

DUB bottom bracket adds durability and simplicity

Waterproof (IPX7 waterproof to 1 meter for 30 minutes)

Lightweight (less than 40g heavier than standard crankset)

Simple and affordable power meter upgrade option