The Dubbs Hardware Headset Top Cap Why look at a boring top cap while pedaling hard for a race or just riding for fun with your friends when you could be glancing at something cool and unique! Our custom designed top caps will add character to your bicycle and make you stand out from every one else! This is one of the easiest bike accessories to add to your bicycle. Designed Each top cap is made with anodized aluminum with the custom designs laser etched on the product. Size The top cap's outer dimension is 1.26" that fits a standard stem cap bicycle design (1-1/8" bolt) Includes Each package includes 1 top cap! (Please note our product does not come with a bolt, please use the existing one on your bicycle)