CNC cut diamond shape, the surface is finely polishedProduct size: about 32x32x9mm/1.26x1.26x0.35inchApplication: Suitable for 28.6mm front fork head tubeColour:1:gold/2:red/3:silver/4:multicolor/5:blackMaterial:Aluminum alloy + titanium alloyPackage Contents:1 x Bicycle Head Tube Cover4 x screwsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.