Force D2 PM Left Arm/Spindle

• 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. FEATURES • 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 • Waterproof (IPX7 waterproof to 1 meter for 30 minutes) • Lightweight (less than 40g heavier than standard crankset) • Left arm and spindle only • SRAM Model ID: PM-FRC-ASSY-D2