SRAM Red AXS 1x E1 Power Meter Spider DUB 175mm - Direct Mount 50T Aero (BB not included)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.

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