Whether riding with a partner or a family, the Quad 2+2 rack provides the versatility to transport 2 bikes or attach the add-on to travel with 4 bikes of up to 45lbs each. Simple to assemble and easy to use, the padded foam hooks utilizing quick release triggers, ratchet down on the frame and lock in place for security. This go to rack is built to accommodate most frame sizes and styles with adjustable wheel trays to fit a variety of wheel bases. The Quad 2+2 comes with locking hooks, locking hitch pin and metal wheel trays to support your ride. Fat Bike Tire trays (64694) can be added for those with tires up to 5" wide.