Feature: 1. ?PREMIUM MATERIAL?Made of high?quality aluminum alloy material, it is environmentally friendly, strong and durable. 2. ?GOOD PERFORMANCE?The bicycle washers are soft cut, no notch, with exquisite and perfect workmanship. Light in weight and easy to install, and have the advantage of a smooth appearance . 3. ?MEET YOUR NEEDS?There are 5 different sizes (3mm/5mm/10mm/15mm/20mm), you can adjust the appropriate height according to your own situation. 4. ?WIDE APPLICATION?The headset washer is perfectly suitable for 28.6mm/1.1in front stem fork of mountain bike, road bike etc. Specification: Item Type: Bicycle Front Fork Washer Material: Aluminum Alloy Product Color: Black Thickness: 3mm / 0.1in 5mm / 0.2in 10mm / 0.4in 15mm / 0.6in 20mm / 0.8in Inner Diameter: 28.6mm / 1.1in External Diameter: 34.0mm/ 1.3in Product Weight: Approx. 36g / 1.3oz Package List: 5 x Fork Washer