Bike Trailer Coupler Bicycle Trailer Hitch Connector Cargo Trailer Hitch Pet Trailer Hitch cargo trailer Coupler for Bike Trailer Hitch Connector Children and Pet Trailers (Black)

【Size】: Fixed shaft hole diameter: 11mm shaft nut screwed groove diameter: 21mm bottom plate length: 55mm, 【Wide application】: Bike Trailer Coupler Suitable for folding bikes, baby carriages, pet carts, hauling goods, high load-bearing force., 【High-quality materials】: Made of high-quality steel, sturdy and durable, anti-rust and corrosion-resistant, equipped with precision welding technology, can withstand heavy loads., 【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., 【Description】: Each bike trailer coupler is equipped with a safety connecting pin, which is not easy to fall off, and can ensure the safety of babies or pets.