Anti-sway cradles prevent bike-to-bike contact. Mounts around most spare tires on the back of travel trailers or 5th wheels. Carries up to 2 bikes. Fits 4" - 4 1/2" sq. continuously welded steel bumpers. Max load: 35 lbs. per bike. Max load: 35 lbs. per bike Steel | Swagman Around the Spare Deluxe Bike Rack