✅【 Precise Design】-- All-in-One Set bike trailer coupler has flat Coupler, washer, & locking pin
✅【Perfect Fit】-- Bike Trailer Coupler is designed for a wide range of Bicycle Carriers, Trailer Sizes, Models, & Style,compatible with Instep and Schwinn trailers
✅【Heavy Duty Quality]】-- Bike Trailer Coupler attachment can easily to install, only you need to do is fix them with a screw nut on bike, and insert the trailer attachment, put the pin on.The pin can hardly get opened, also once you install them up, they will not easily fall off
✅【Heavy Duty Quality]】-- The bike trailer hitch coupler attachment made of steel with black enamel coating, made from heavy duty iron material, strong and durable, corrosion resistant, hard to damage
✅【LIFETIME WARRANTY】-- If you have any problems or there is any damage to the product, we will offer a 100% money-back guarantee. Welcome to contact us, we will try our best to solve your problem. Customer satisfaction is our tireless pursuit.