SRAM, Red 1x XPLR E1, Crankset, Speed: 12/13, Spindle: 28.99mm, BCD: Direct Mount SRAM 8 Bolt, 40, DUB, 172.5mm, Black, Road Disc

• Single-ring drivetrain simplifies functionality and reduces weight • Non-aero direct mount chainrings from 38T to 46T can be swapped with a single tool • SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control • Ultra-light hollow carbon fiber crankarms • DUB Wide bottom bracket adds durability and simplicity • Can be upgraded to a power meter • SRAM Model ID: FC-RED-1W-E1