The RED XPLR crankset maximizes tire clearance and features our hollow carbon arms paired with the direct mount 1x chainring of your choiceSram X-Sync wide-tooth, narrow-tooth chainring technology provides maximum chain controlNon-aero direct mount chainrings from 38T to 46T can be swapped with a single toolSingle-ring drivetrain simplifies functionality and reduces weightUltra-light hollow carbon fiber crankarmsDUB bottom bracket adds durability and simplicityCan be upgraded to a power meter172.5x42DUB WideBLKDirect Mount1x12/13spUPC/EAN/GTIN: 710845898969