HIGH QUALITY - The bike trailer hitch is made of heavy-duty steel and iron with black enamel coating, corrosion-resistant, not easy to damage. Easy to use - The bike trailer hitch is designed for towing solutions and easy to install. The installation requires removing the nut from the bolts on the rear wheel and attaching it to the rear axle of the bike with the rear axle nut. SAFETY - The bike trailer hitch is equipped with a coupling pin, the pins can hardly be opened, and once installed, they are not easy to fall off and can keep your child safe. so that you can easily and quickly enjoy a wonderful outdoor bike ride. QUICK CHANGE - Reduce the time needed to easily change from trailer to a new bike. It can be quickly replaced by simply connecting the trailer hitch. Wide range of applications - Bike trailer couplings fit most bikes, dog trailers, strollers, trailers, etc.