SRAM, Red DUB 1x Aero E1, Crankset, Speed: 12, Spindle: 28.99mm, BCD: Direct Mount SRAM 8 Bolt, 50, DUB, 160mm, Black, Road

• 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