RockyMounts Southpark Hitch Rack Fits both 1.25" and 2" receivers with an anti-wobble bolt, Carries road, mountain, and cross bikes with wheel sizes from 20" diameter up to 29" Lock rack to car and bikes to rack with one key, Includes all mounting hardware and locks for quick and easy assembly and installation Will fit skinny road tires to 3.0 tires, Max wheelbase 48", Max weight 45 lbs per bike Ratcheting arm pulls down over the front wheel for secure bike mounting Rack folds flat against the car for storage, and folds away for easy tailgate access