The Madrax Parallel bike rack parks two bicycles to the wall of a garage, basement, or other bike storage area per unit. Parallel bike storage is ideal for apartment/residential use in a bike room or other shared bike parking area. The available finishes are powder coated grey, with a black PVC coating to aid in cushioning the bike. It's materials consist of Steel rods, steel plates, and cushion coatings. The Parallel rack comes standard as a wall mount.