Features: 1. Carbon fiber material, high strength, suitable for long time riding 2. Lightweight design, whole set weight is 32g, improve riding speed 3. Free position can be adjusted to meet different needs 4. Shockproof and anti-vibration design to ensure driving 5. Simple structure, easy to install Specifications: Product Name: RISK Carbon Fiber Spacer Brand: RISK/Risk Product Number: RA120 Product Specifications: Height 3mm/5mm/10mm/15mm/2 0 mm Application: Front Fork top edge outer diameter is about 28.6mm/1.13inch Net weight: about 3mm:about 1.6g 5mm:about 2.7g 10mm:5g 15mm:about 7.5g 20mm:about 10.4g set Net weight: about 32g Product list: 1 x Bicycle front fork spacer set Note: 1. Due to different monitors and lighting effects, Product actual color is shown in the actual Color may vary slightly 2 Please allow slight measurement deviation due to manual measurement.