SRAM RED AXS POWERMETER 1x 175x46 DUB NoBB SL/GYSingle ring drivetrain simplifies functionality and provides the simplicity that cyclocross racers crave and the tighter gearing range is perfect for road racing and riding in flatter terrain Power readings are accurate within + 1. 5% and arent affected by climate conditions during a ride Power balance measures left and right legs separately Sram X Sync wide tooth, narrow tooth chainring technology provides maximum chain control Laser etched chainring