SRAM Quarq AXS Power Meter Spider - 107BCD

The Quarq power meter spider upgrade for SRAM RED/Force ETAP AXS™ crankset and X-SYNC™ Road Chainrings or SRAM Force® Chainrings

Quarq’s next-generation DZero power meter platform is named for the D0 Experiment, one of science’s most accurate and innovative projects to detect subatomic particles moving at the speed of light. With a new measurement circuit, a revised strain gauge design, improved accuracy throughout the pedal stroke, and software advances, DZero represents the state of the art in power meter technology.

Features
AXS™ enabled for easy monitoring and firmware upgrades
Bluetooth Low Energy and ANT+ compatible
Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride
Power balance measures left and right legs separately
Uses a common CR2032 battery that lasts for 200 riding hours and changes without tools