This clamp-on receiver attaches to your 4" x 4" or 4" x 4-1/2" RV bumper and provides a 2" x 2" receiver opening for a hitch-mounted bike rack, cargo carrier, or other accessory.

Attaches to RV bumper to provide a 2" receiver opening that works with hitch-mounted bike racks. Designed for 4" x 4" and 4-1/2" x 4-1/2" continuous-welded steel bumpers.