Features: Made of high intensity plastic material, high tenacity and not easy to deform. Quick release design with additional screw fixation, easy to install and remove. Streamline shape, well prevent your bike from mud, keep it dryer and cleaner, practical and stylish. Apply to seat post diameter of 25.4-34.9mm of all kinds of mountain bike and road bike. Great accessory to keep your bike clean and dry, make you more enjoyable. Note: The front mudguard should be screwed on the hole of front bar. Please confirm the hole before installation.