Features:AlloyCyclingBicycle Chain Adjuster Tensioner Fastener Boltfor Fixie BikeToolHigh qualityaluminum alloy, sturdy and bleSuitable for 14 inchsingle speedbikesand FixiebikeMaterial: Aluminum AlloyColor: Black,Red,Gold,Silver(as pictures show)Package Contents:1 *Bicycle Chain AdjusterNote:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightne of your monitor and light brightne.