The R3000 Tire Rack Storage System is a space-saving, flexible, and easy to use complete shelving system for both tire and wheel storage. Storing wheels and rims as never been so easy and practical. The specially shaped horizontal beams for tires and rims are simply hung in prefabricated upright frames without using bolts. The design reinforces the shelving bay for extra security. Individual levels are adjustable at any time in increments of 2". From single to double units, including dynamic storage and mobile systems, SSI SCHAEFER has a complete automotive solution. Frames ship assembled and beams simply snap into posts and all R3000 Tire Rack systems are easy to expand.