Description: Performance titanium alloy bicycle threadless stem headset top cap cover, lightweight, strong, practical and durable Fits 1 1/8"(28.6mm) stems / headsets front forks With nice printed image on top to add some special style to your bike decortiaon Universal for MTB road mountain bike bicycle Great replacement gear accessories for cycling enthusiasts Specification: Material: Titanium alloy Outer Diameter: Approx. 31.8 mm/1.25 inch Screw Height: Approx. 9 mm/0.35 inch Works for 28.6mm front forks Color: Black, Sliver, Gloden, Rainbow Package Includes: 1 Piece Bicycle Headset Top Cap Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!