Description: 【Universal】:Bike rear fender connectors are suitable for a variety of bicycles, including children's bicycles, mountain bikes and road bikes 【Compatibility】: This bike rear fender mounting clip is compatible with seatposts with a diameter of up to 3.1cm/1.22inch, ensuring easy installation on a variety of bikes models 【Durability】: Made of high strength engineering PP, this mountain bike splash guard connector is lightweight and strong, can withstand impact and prevent breakage, and is an ideal choice for long term riding 【Adjustable】: The two stage gear engagement design of the rear mudguard fixing buckle allows for easy adjustment of the angle of the rear fender 【Easy Installation】: The center hole distance of this bike fender seat post clamper is approximately 2.5cm/0.98inch, and it is equipped with a universal mounting interface and comes with a modification ring, which can be quickly and easily installed on most rear axles and fenders,Comes with a size adapter ring to easily handle axles of different sizes Specification: Material:PP Size Chart: Length:18.5cm/7.28inch Center Hole Distance:2.5cm/0.98inch Package Includes: 2 Bike Rear Fender Connectors Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.