Feature 1STEEL CONSTRUCTION: The trailer coupler hitch is crafted from premium steel material with high hardness, featuring a paint finish for rustproof. This ensures durability and reliability, even when navigating bumpy terrain or rough mountain roads. 2SMALL AND PRACTICAL: The compact size of the bicycle trailer hitch coupling attachment makes it highly portable and convenient, you can take bicycle trailer coupling with you and use it if necessary. 3EASY INSTALLATION: Installation of the bike trailer coupler is effortless. Simply open the lock on the bicycle trailer coupling and attach it to the bicycle rear wheel assembly. The steel hook can be easily integrated into the trailer pin and flexible connector. 4TRAVEL ESSENTIAL: The bike coupler attachment adapter serves as a crucial accessory for your travel adventures. Whether you're planning a camping trip with your children or pets, the connector allows you to effortlessly attach your bike to the trailer. 5DEPENDABLE AND CONVENIENT: Offering a combination of sturdiness, ease of use, and portability, the bicycle axle coupling is a functional companion for outdoor excursions. Its practical design and dependable performance make it a must have accessory. Item Type: Bike Trailer Hitch Coupler Material: Steel Package List 2 x Trailer Hitch Coupler 2 x Quick Release Buckle