The Bike Bike Rack is constructed from 1.5" diameter 11 gauge steel tubing that is fully welded into the shape of a bicycle. Providing multiple points of contact for maximum security. Parks up to 4 bikes at a time. Choose from 20 high-gloss powder coat finishes. Predrilled holes in the base plates allow for easy surface mounting to concrete surfaces. Check out all of the sophisticated Bike Rack Options we have in our catalog.