Bike Adapter 4 Bike Rack For bikes with 20" rear

For bikes with 20" rear wheels you will need a Small Wheel Adapter to prevent derailleur hanger interference: SW-ADP-U

this hitch-mounted bike rack can fold flat against the car when not in use and can be tilted for easy access to the cargo area

Length without the locking cylinder installed: 4-3/4" (120mm)

sturdy steel with black powder coat finish

Can Carry Bikes with 20 Inch to 29 Inch Wheels

Bike Adapter 4 Bike Rack For bikes with 20" rearThe Bike Adapter Pro is an artificial top tube that allows you to transport a variety of different bicycles with sloping top tubes, including but not limited to ladies, childrens, cargo, and full suspension bicycles on your bicycle rack. The telescoping bar will fit various size bicycles, and will not scratch your bike's finish. The adapter is heavy duty, non twisting tubing, and has a secondary interlocking gate. Specifications Fits a variety of bike