The Feedback Sports RAKK is a versatile bicycle storage solution for the home, garage, or bike shop. Spring loaded arm easily holds front or rear wheel without the risk of scratching rim or spokes. The Rakk can also be chained together to easily create multiple bike storage and maximize floor space. Features: Holds 20 mm road tires & up to 2.4? wide mtb tires In size 20? to 29? wheel Hands free use allows you to roll bike into the wheel slot for storage or display Modular design supports multiple RAKK's connected together Base footprint: 13.5? x 13.5? (343 mm x 343 mm) Folded height: 3.2? (81 mm) Weight: 5.9 lbs. (2.7 kg) Optional spacing of 12?, 13.5? & 15? between stands 3-year warranty