High Quality The bicycle trailer hitch accessory made of heavy Steel and Iron with black enamel coating, corrosion resistant, not easy to damage. Easy to Use The bicycle trailer hitch designed for towing solutions and easy to install. Installation requires removing the nut from the bolts on the rear wheel and attaches to the bikes rear axle with the axle nut rear. Ensure Security The bicycle trailer coupler is equipped with a connection pin, the pins can hardly be opened, also once you install them, they are not easy to fall off and can keep your baby safe. that you can easily and quickly enjoy a wonderful outdoor ride. Quick Change Reduce the time it takes to easily switch from the trailer to a new bike. It can be replaced quickly by simply connecting the trailer hook. Widely Used The bicycle trailer couplings are suitable for most bicycles, dog trailers, strollers, trailers, etc.