Hitch insert fits either 1 1/4 inch or 2 inch receiver hitches (2 and 3 bike models) or 2 inch receiver hitches (4 and 5 bike models). Important installation note: never use on trailers 22 inch ...

However, naming the best bike rack brand is easy: 1UP. Several other brands make totally competent racks, but none are as unique, well made, thoroughly designed, or beautiful as what 1UP ...