Features: High Compatibility: The bike trailer hitch coupler can be almost compatible for all universal bike bicycles and electric bikes. Quality: The bike trailer hitch constructed with durable nylon strap for firm use. It is a practical bike trailer hitch for towing solution. Easy to Install: The bike trailer hitch with the completed hitch arm and hitch connector, easy to install without other tools required. Suitable for: Works with quick release or nutted axel wheel. Does not work with disc brakes. Great for Family Use: Enjoy the delight and excitement of transporting your children or pets with your bicycles. Specifications: Material: Plastic Color: As The Picture Shows Package Weight: approx.335g Size: approx.13x10x5cm/5.11x3.93x1.96in (More Size Detail, Please See Photo.) Package Includes: 1Pc Bike Towing System note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!