It’s the best tool to help you reach your best. Our lightest, stiffest, and most accurate integrated power meter just got lighter with a new carbon crankarm construction. Our power meter is accurate to +/-1.5% and isn’t affected by temperature changes, and the direct mount X-SYNC chainring is aero and incredibly long-lasting. Plus we’re offering more crank arm lengths than ever before to ensure this crank works for you.

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
Ultra-light hollow carbon fiber crankarms are 29 g lighter than previous generation
DUB bottom bracket adds durability and simplicity
Available in 160, 165, 167.5, 170, 172.5, and 175 mm lengths

Specifications
SPEEDS    12
BB COMPATIBILITY    All SRAM Road DUB BBs, except Ai
CHAINRING SIZE    50T
CRANK ARM LENGTH    160mm, 165mm, 167.5mm, 170mm, 172.5mm, 175mm
CHAINLINE    45.0mm
BB SPINDLE INTERFACE    DUB
CHAINRING MATERIAL    Aluminum
BOLT CIRCLE DIAMETER (BCD)    Direct Mount (DM)
POWER METER    Yes
POWER METER TYPE    Spider