1Set Bike Carbon Headset Stem Top Cap+Expander Plug/Compressor for 1-1/8” Fork Quantity：1 pcs Brand: TOOK Color:red,blue,green,gold,black matt,black shiny Material:T800 carbon fiber(top cap)+Aluminum(expander plug) Top cap thickness:2-2.2mm (strengthen) Steerer tube Diameter:28.6mm.
