The SRAM power meter is accurate to +/-1.5% and isn’t affected by temperature changes, and the direct mount X-Sync chainring is aerodynamic and incredibly long-lasting. Plus they're offering more crankarm 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
• Single-ring drivetrain simplifies functionality and reduces weight
• Direct mount aero chainrings for better aerodynamics
• X-Sync wide-tooth, narrow-tooth chainring technology provides maximum chain control