Details matter when you are building up a bike and the stem cap should not be overlooked. This ultralight and ultra-sleek stem cap fits flush with your stem or can be used with a spacer under it. It is precision machined out of 7075-T6 aluminum for the lowest weight without any performance compromise.Compatible with 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes onlyTotal weight (cap + bolt): 8 grams (compare to a standard stem cap and steel bolt at 18 grams)Item SpecificationsColorRaw SilverDefined ColorSilverIncludes Star NutNoS.H.I.S. Stem Clamp Diameter28.6 Wolf Tooth Ultralight Stem Cap Headset Top Cap UPC: 810006809657