SRAM Red 1x E1 DUB 170 50T Aero Crankset

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 Ultra-light hollow carbon fiber crankarms are 29g lighter than previous generation Can be upgraded to a power meter set up (Power Meter chainring sold separately)