3S Chain Keeper

Chain keeper for 1x drivetrains.<br /> - Chain keeper for 1x drivetrains<br /> - Replaces the stock 3S chain keeper for a 1x specific solution Compatible with 38 - 46t chainrings<br /> - Compatible with 38 - 46 t chain rings<br /> - For the best results: position the top guide as low as possible, without rubbing the chain