SRAM, 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