Bicycle Trailer Coupler Hitch, Steel Rear Replacement Axle Hitch Attachment for Child Pet Cargo Bike Trailers, Black;

Features:
Muti-compatible: There are vertical and horizontal holes on the trailer coupler, It fits almost all bikes and all Schwinn and InStep brand trailers.
Precise Design: Hole diameter in hitch where the trailer attaches: 6.8mm/ 0.27lb. Decrease time needed to switch your trailer onto a new bicycle easily.
Easily Installation: Angled connector for bicycle is ideal for easily and quickly attaching your trailer to your bike,no more switching couplers back and forth.
Sturdy Carbon Steel Construction: Made of Steel with black enamel coating, made from heavy duty iron material, this trailer coupling is durable for long time use.
Easy to Assemble and Storage: Steel Hitch for connecting children bike trailers to the rear wheel of bicycles in a safe way. Quick coupling and uncoupling,convenient handy use.

Specification:
Product Name: Trailer Hitch Mount
Color: Black
Material:Steel
Hole diameter where axle attaches: 11mm
Recessed area diameter where axle nut screws onto: 21mm
Hole diameter in hitch where the trailer attaches: 7mm
Base plate length: 55mm