Hollywood Racks Dual Use 5-10 Bike Commercial Parking Rack Can be assembled as either a double sided 10 bike parking rack or a space saving, single sided 5 bike parking rack Outdoor commercial quality bike stand with ED-Zinc undercoat plus park equipment grade powder coat finish 1-1/2 x 14 gauge steel side rails and horizontal tubes; 1" x 16 gauge steel vertical tubes Maximum bike tire width is 2.35 Can be bolted to concrete or other surfaces