Kuat Rack Dock Rack Storage When you're not using your bike rack and don't want to leave it on your car and it takes up too much space in the garage, the Rack Dock will be there to save the day. The Kuat Rack Dock Rack Storage conveniently allows you to mount your bike rack to your wall. Basically, a hitch rack for your hitch rack, the Rack Dock mounts to your wall and can support up to a 4-bike rack or 100lbs. It comes with a 2" hitch but a 1. 25" adaptor is included for smaller hitches. Features Able to hold up to a 4-bike rack 100lb max. 2" hitch Included 1. 25" adaptor. Magnetic faceplate | Kuat | Rackdock Rack Storage Black