Quarq Powermeter Spider Red/Force AXS D1 107BCD

THINGS TO REMEMBER 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 last for 200 riding hours and changes without tools 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 SPECIFICATIONS Bolt Circle Diameter (BCD): 107 BCD Power Meter Type: Ant USB