Specifications: Brand: ROCKBROS Applicable Front Fork Diameter: Approx. 18-24 mm Applicable Seatpost Diameter: Approx. 26-30 mm Weight: Approx. 157g Material: Eco-friendly PP Material Color: Black Features: ECO-FRIENDLY MATERIAL: These fenders are made from high-quality PP material, which is not easily deformed or broken. Wider and larger bicycle fenders provide better protection against mud and rain, preventing your back from getting wet. WATERPROOF & DUSTPROOF: This fender is waterproof, dirt-resistant, and easy to clean. It is also highly resilient and not prone to breaking. STREAMLINED DESIGN: The curved design conforms to the shape of the tire, effectively blocking water and mud, and is easy to clean. After wiping with a cloth or a simple rinse, it looks like new. EASY INSTALLATION: Quickly install the front and rear fenders using the included installation tool. They can also be easily removed from the bike when not needed. UNIVERSAL FIT: Our bicycle fenders fit 24-28 inch bikes and are suitable for all types of mountain bikes, road bikes, touring bikes, etc. If you are dissatisfied with our fenders or encounter any issues, please feel free to contact us.