SARIS Round Wave Bike Racks feature strong, durable construction that makes these bike racks the standard for secure bicycle parking. 6x1/4" square flange plates mount securely to cement. Weather-resistant and maintenance-free. One bike fits on outside ends of frame and inside each loop. Pipe cutters cannot cut through the heavy-duty 2", 7-gauge square tube, deterring potential thieves from stealing the bikes. Powder coat finish.