Description: 【Material】Bike Trailer Connector is made from high strength aluminum alloy and nylon for reliable towing stability, built to withstand various road conditions 【Shock Absorbing Stability】Bike Trailer Connecting Rod features a damping structure reduces vibrations, keeping cargo secure during transport 【360° Swivel Hitch】Bicycle Trailer Rod with flexible rotating joint allows effortless maneuvering while minimizing wear at the connection point, suitable for 1cm/0.39inch to 4.5cm/1.77inch diameter, enables fast attachment/detachment, saving time and effort 【Versatile Outdoor Use】Bicycle Trailer Rod is ideal for camping trips, shopping errands, or long distance rides—enhances convenience effortlessly 【Package Included】1 Bike Trailer Connector for your convenience Specification:Length 46cm/18.11inch, Aluminum Alloy Seat Tube Clamp for 2.7cm/1.06inch to 3.2cm/1.26inch, suitable for Mountain bikes, shared bikes, and regular round tube bikes Size Chart: Note: Riding load under 40KG, speed below 25KM/H Package Includes: 1 Bike Trailer Connecting Rod Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.