• 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 29 g lighter than previous generation
• DUB bottom bracket adds durability and simplicity
• Can be upgraded to a power meter
• SRAM Model ID: FC-RED-1-E1