The Feedback Sports RAKK XL is a versatile bike storage rack intended for Plus-size (27.5+ and 29+) and Fat-bikes. Comes with an adapter for plus-size tires that can be removed as needed to expand the size of the tray. Store your bike by the front or back tire without touching any of your bikes components. Easy to use and low profile to store away. Simply roll your bike in and walk away. Fold flat for storage when not in use. Ideal bicycle storage space for apartments, garages, basements, sheds or retail bike shop Versatile design allows for bike parking with front or rear wheel without risk of scratching rims or spokes Storage system fits 27.5+, 29+ and Fat bikes Wheel slot accommodates 2.3-5.0mountain bike tires Innovative design folds to a compact unit when not in use Spring-loaded design is hands-freesimply roll the bike into the wheel slot and the swing arm holds securely Modular attachments create 12, 13.5or 15(30.5, 34.3, or 38.1cm) spacing and arranged in countless co