Measure your ride power data more accurately than ever with the Force 1 AXS power meter. It's the lightest and stiffest integrated Force power meter we've developed yet. It's accurate to +/-1.5%, unaffected by temperature changes and the direct mount X-SYNC chainring is aero and longer-lasting. Features - Power meter is fully integrated into the chainring for lighter weight and greater accuracy - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Measures right and left leg power balance - DUB bottom bracket adds durability and simplicity - Available in 160, 165, 170, 172.5, and 175mm crankarm lengths