Bicycle Trailer Hitch, Safety Spindle, Universal Adapter for Strollers, Kids Trailers, Luggage Carrier

The hitch bike trailer is made of stainless steel and galvanized iron weather-resistant rust-proof. The safety locking pin connected to the trailer socket. solid pin bicycle hitch adapter attached bike transport. The diameter hole rear axle bicycle: 11 mm, connection hitch: 7 mm, hollow area axle nut screwed: 21 mm, length base plate: 55 mm. Suitable bicycles, strollers. carry children pets. Specifications: Material: stainless steel, galvanized iron Size/Color: as shown picture. Bicycle trailer coupling. bicycle hitch safety pin.