QUARQ Red/Force AXS Spider With Power Meter

Features: - 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™ Specifications: - Speeds n/a - Crank arm length n/a - BB Compatibility n/a - Chainring Size n/a - Bolt Circle Diameter (BCD) 107 BCD - Chainline n/a - BB Spindle Interface n/a - Chainring material n/a - Guard n/a - Crank arm material n/a - Color (Crank arm) n/a - Power Meter Type Ant USB