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 Guard No Guard Bolt Circle Diameter (BCD) Direct Mount (DM) Crank arm material Carbon Colour (Crank arm) Natural carbon Power meter Yes Power Meter Type Spider