Description: 【Universal Compatibility】: Bike Seat Post Mud Protector features a clever elastic design to fit a wide range of mountain bike models, ensuring seamless integration with most seat posts 【Easy Installation & Adjustment】: Quickly attaches and detaches without tools, smoothly adjusting alongside your dropper seatpost for easy setup and maintenance 【Bike Seat Post Protection】: Bicycle Seat Tube Fender, protects your seatpost from mud, debris, and internal damage while reducing the risk of jamming for long term performance 【Material】: Bicycle Dropper Seatpost Protector is made from tear resistant, high elasticity silicone that stays securely in place and maintains its shape over time 【Package Includes 】: Comes with 1 Seatpost Mudguard to protect your bike right out of the package, no extra parts required Specification: Material: Silicone Size Chart:17.2cmx16.7cm/6.77inchx6.57inch, for 40-75mm seatpost Package Includes: 1 Bike Seat Post Mud Protector Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.