XHSPORT 4PCS Bicycle Full Carbon Headset Spacer Carbon Fiber Gasket 1-1/8 20 15 10 5mm 4PCS Bicycle Full Carbon Headset Spacer t 1-1/8" Bike, bicycle, MTB Carbon Fiber Gaske. Personality decor of you bike. Charming and cool display. Material: Carbon Fiber Cloth 3K Caliber: 28.6mm; Color: Black Includes: 1pcs x 5MM carbon fiber gasket; 1pcs x 10MM carbon fiber gasket; 1pcs x 15MM carbon fiber gasket; 1pcs x 20MM carbon fiber gasket;