AXS Powermeter Spider, Power Meter Crankset, BCD: 107, No Chainring, Road

* 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 RED® and Force eTap AXS™ cranksets* 8 bolt interface* SRAM Model ID: PM-AXS-SPDR-D1