Reverse Components Ahead Top Cap with Screw Description: Finish off a custom build in true style with the Reverse Components Ahead Cap. Super lightweight alloy construction for a 1 1/8" steerer tube. Includes color-matched alloy bolt. Features: Superlight aluminum top cap with alloy bolt Shaves crucial grams on high end builds Reverse etched into top cap Specifications: S.H.I.S Stem Clamp Diameter: 28.6mm Material: Alloy Includes Star Nut: No Color: Black Weight: 8g