Bike Trailer Coupler, Bike Trailer Hitch Coupler, Bicycle Trailer Hitch Connector, Bike Trailer Hitch Connector, Bicycle Trailer Couplings, Bicycle Trailer Hitch for Children and Pet Trailers<br> High-Quality Materials：Made of good quality Steel with black enamel coating, durable and sturdy, equipped with precision welding technology, can bear heavy duty.<br> Unique Design：Each bike trailer coupler has equipped with a Connect Pin, the pins can hardly get opened, also once you install them up, they will not easily fall off, can ensure your babies safety.<br> Portable Design：There are Vertical and Horizontal Holes on the coupler of the trailer, so whatever the coupler hole of your trailer, vertical or horizontal, it works perfectly for you.<br> Easy to Use：Bike trailer hitch connector no other tools are needed for installation, just fix it on the bicycle with a nut, then insert the trailer attachment and install the pin iron.<br> Widely Applied：Bike trailer coupler suitable for Folding Bikes, Baby Carriages, Pet Carts, Hauling Goods, High Load-Bearing Force.<br> Colour: Black<br> Dimensions: 8*5.5*2.5cm, diameter of the fixing hole of the rear axle of the bicycle: 11 mm, diameter of the fixing hole of the link trailer: 7 mm, diameter of the recessed area where the axle nut is screwed: 21 mm, length of the bottom plate: 55 mm<br> Quantity: 1set<br> Kind tips:<br> 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.<br> 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding.<br> 3. Only the above package contents, excluding other products.<br>