The 5DEV Titanium Headset Top Cap offers precision strength and forever fit. CNC-machined from Ti-6Al-4V for ultra-high durability corrosion resistance and clean low-stack integration. This titanium top cap holds torque stay trues and keeps your cockpit quiet in any weather. Add grams where it matters least gain decades of service and finish your build with bike jewelry that rides as good as it looks.CNC-machined titanium offers corrosion resistance for year-round ridingPrecision machining keep your headset tight clean and protectedDesigned for use with 1-1/8" steerer tubes TECH SPECS S.H.I.S. Stem Clamp Diameter 28.6 Color Raw Titanium Includes Star Nut No Defined Color Silver