Universal tilting base compatible with all Freedom hitch racks Universal tilting base compatible with all Freedom hitch racks Upgrade your non-folding/tilting Freedom or convert your Freedom 4-bike to a 2-bike Compatible with 4412, 4412B, 4414, 4414B, 4412F Works with 1-1/4` and 2` recievers Hitch pin and hardware sold separately UPGRADE BASE ONLY - Not a full hitch rack