Check the listing for details. Paul Component Engineering Klamper Headset Top Cap - Aluminum w/Stainless-Steel. Condition: New. Listed at 24.99 USD. Paul Component Engineering Klamper Stem/Headset Top Caps are machined with USA-Milled 6061 aluminum in Chico California. Along with their main purpose of adjusting preloading of stems and thread-less headsets, Klamper has a striking appearance. Available in multiple colors the complete your desired bike aesthetics. Includes an A2 stainless-steel bolt.Machined from 6061 US-milled aluminum that offers durability and light weight. Includes A2 stainless-steel 6 x 30mm bolt. Star nut sold separately. Item Specifications: S.H.I.S. Stem Clamp Diameter, 28.6, Color, Gold, Includes Star Nut, No, Defined Color, Gold, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us