This product is durable mounting kit, adoption of premium and durable aluminum material. It allows you to easily install the , easy and simple. Fit for professional or personal use. This is an installation tool with front fork washer bike front fork bowl set gasket, it can help you a lot when you want to install your mountain bike. Features - Color: Black - Material: Aluminum - Size: About 4.00X3.00X3.00cm/1.57X1.18X1.18inch - Produced by workmanship, bike headset spacers have smooth surface and excellent performance, suitable for mountain bike, road bike. - Material: aluminum alloy bike head cover and earphone gasket, steel bike front fork earphone star nut, stainless steel bolt, steel installation, lightweight and durable, simple and convenient installation, durable. - Delicate workmanship: aluminum alloy bike head cover and earphone gasket are treated with black anoxic , the surface does not fade. - Corrosion resistance; The head cover of the aluminum alloy bike can be tightened to prevent from entering, and the headphone gasket can be adjusted according to requirements. - Main application: It is installed between the handle and the front fork, and the can adjust the height for you to improve the riding comfort of the bike. Package list: 6 x washers 1 x Screw 1 x Suspended core 1 x Handle vertical cover