SRAM RED/Force AXS Power Meter Spider - 107 BCD, 8-Bolt Crank Interface, 1x/2x, Black, D1

Quarq's next-generation DZero power meter platform is named for the DZero 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.

AXS is SRAM's flagship electronic integration platform connecting electronically shifted componentry and software. The SRAM AXS App allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.

• AXS enabled for easy monitoring and firmware upgrades
• Power-upgrade compatible with the following RED and Force eTap AXS cranksets: RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48
• 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 last for 200 riding hours and changes without tools