Description: 【Versatile Compatibility】: These Bike Fenders Frame are designed for a wide range of applications, including mudguard support rods, rack mounts, and light brackets. They are designed for various positions on the bike frame and fork, making it suitable for mountain bikes, road bikes, and commuter bikes 【Secure Fork Installation】: Specifically designed for fork tubes, these Fork Mounting Clamp Bracket Adapters provide a stable and good fit at the fork suspension area. They effectively prevent any loosening or wobbling of support rods or brackets during rides 【Material】: Made from high strength plastic material, these Cycling Repair Parts are corrosions resistant and impact resistant. They maintain their shape without deforming or breaking easily, ensuring reliable performance in diverse weather conditions and riding environments 【Easy Installation】: Featuring a screw tightening structure, these rings can be installed without welding or additional drilling. This makes it suitable for DIY enthusiasts as well as professional shops looking to handle various repair and installation needs effortlessly 【Compact Design with Strong Compatibility】: With a simple structure and compact form that doesn't take up much space, these mounting rings can accommodate different frame tube diameters to meet various accessory mounting requirements across different bike frame structures Specification:Diameter 3.8cm/1.50inch Package Includes: 2 Bike Fenders Frame Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.