Feature:1. Aluminum Material: Made of high quality aluminum alloy material with high strength and wear resistance, having good performance for long service life.2. Application Scope: Suitable for mountain bike, road bike, speed bike and other 28.6mm front fork, high compatibility makes the tool has a wide application rage.3. No Burden: Aluminum alloy material makes washer have a light weight, will not increase the burden or cause additional energy waste.4. Fine Workmanship: The cutting edge is smooth, suitable for most road bikes, and the texture is delicate and durable, able to provide a satisfying using experience.5. Parameter Description: The inner diameter is about 28.6mm/1.1in and the height is 5mm/0.2in, please check dimension carefully before placing order.Specification:Item Type: Bicycle Headset SpacerMaterial: Aluminum AlloyColor: As Picture ShownApplication: for Bicycle 28.6mm/1.1in Front ForkProduct Size: Height: 5mm/0.2inInner Diameter: 28.6mm/1.1inGross Weight: Approx.15g/0.5oz Package List:4 x Washer