It barely fits two adult mountain bikes, one with drop handlebars and the other with flat handlebars. The supplied bolts were sheared off during installation and in the end alternative 5/16" x 3" GRK lag bolts were used to hold these in place as they have a built in waffle head which acts like a washer and attaches them to the wall stabilized. I have this strut mass dead center and it still wobbles a bit side to side. With a total weight of 47 pounds the rack already feels under load, I don't think it will hold the claimed 65. It was a good idea and concept, but slightly poor execution, the horizontal bars barely went through the frame. Cycles.