SRAM Power Meter 2x/1x Spider for RED and Force AXS Cranks, 107 BCD, Black, D1

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