PRODUCT INFORMATION - The Universal Bicycle Trailer Coupler is a practical bike trailer hitch for towing solutions that allows easy attachment of the trailer to the bicycleWIDE APPLICATIONS - This bike trailer hitch coupler assembly with complete hitch arm and hitch coupler, with no need to purchase additional parts, suitable for most child, cargo, and pet bike trailers, Perfect for your outingsDURABLE MATERIALS - The bicycle trailer hitch coupler is made of high-quality durable steel material with an enamel coating and a nylon strap. Made of precision welding technology, not easy to break or rust, long service lifeEASY INSTALLATION - Attach the bike trailer hitch to your bike with the nuts. Simply insert the trailer attachment and install the pins, no need to worry about shedding. Let you safely and comfortably transport your kids, pets, and cargo for enjoyable trips