SRAM Left Arm and Power Meter Spindle Assembly Force D2 - Unicorn Grey w/Laser Foil - DUB 1675 (Right Arm/BB/Spider/Chainrings non included)Power measurement is a crucial part of training, so we’ve made it as easy as possible to upgrade your Force AXS ride with Quarq technology. DUB-PWR takes the legendary reliability and accuracy of Quarq technology and inserts it into the crank 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.

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 AAA lithium 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)