SRAM, Red DUB 1x Aero E1, Crankset, Speed: 12, Spindle: 28.99mm, BCD: Direct Mount SRAM 8 Bolt, 50, DUB, 172.5mm, Black, Road

Description

* 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