A shared locking system allows one key access. This rack is slightly more expensive than the Yakima rack. Hitch Racks Most trucks, SUVs, and even minivans these days come equipped with a receiver hitch. Hitch racks use the receiver hitch to attach the rack to the vehicle. Heavy-duty racks typically require a class III hitch to carry the weight of the bikes plus the rack itself.
Hitch racks are easier to load because they're closer to the ground than roof racks.
They also cut down on drag created by having gear on top of the vehicle. All the racks we reviewed allow access to the rear of the vehicle while the rack is loaded either by tilting the rack down or swinging the rack out of the way. The Graber Backpacker is easy to load. It will fit any frame type because it uses a fork mount. The rack tilts out of the way to allow access in the rear of the vehicle.