1. Installation requirements: It is suitable for cars with holes in the front fork, and the diameter of the seat tube is between 25-33mm. 2. Features: Made of high-quality plastic, quick-release design, can be twisted at will, sturdy and durable, not easy to break. 3. Size: Front fender: front width-7cm, rear width-4.5cm; rear fender: front width-6.5cm, rear width-4cm. 4. Matching: Matching screws are given as a gift. 5. Installed on the front fork: It can well protect your inner tube and the down tube of the frame from being hit by splashing sand and gravel. Especially in rain and mud battles, it can well resist splashing mud and rain, prevent them from hitting your goggles, and ensure your vision is clear. 6. Installed on the frame: resist the sand and gravel brought by the rear wheel, and protect your frame well (especially the carbon fiber rear shock absorber installed on the rear frame) 7. This fender is small, sturdy, muddy water, sediment, and small stone buckets can resist, well protect your front fork inner tube or rear shock inner tube. Let you fight in the rain or ride after the rain without getting all covered in mud