If you're upgrading to a new headset and looking to add some vibrancy to make your bike shine, you'll love the Chroma Studio Top Cap. Available in various colors, you can infuse a touch of personalized style into your ride.Compatible with all 1-1/8 threadless headset uppersDOES NOT Include Bolt and/or Star nut.Item SpecificationsColorSilverDefined ColorSilverIncludes Star NutNoS.H.I.S. Stem Clamp Diameter28.6 DOES NOT Include Bolt and/or Star nut. Cane Creek Chroma Studio Headset Top Cap Headset Top Cap UPC: 840226140902