Adjustable Bike Chain Keeper Holder Lightweight Virtual Hub Fixed Chain Retainer Support Cycling

Label:Yes Name: Bike Chain Keeper Holder Packing List: 1Pc Bike Chain Keeper Holder Colour: Black Weight: About 50.1g Material: Metal and steel screws Purpose: It is used to maintain the tension of the chain when cleaning the chain or during bicycle transportation, to avoid the friction between the chain and the car body and cause scratches. Installation method: similar to installing the rear wheel, adjust the rear dial to a smaller one so that the guide wheel and the roller are on a horizontal line, and it can be properly locked.