"About the standard upright roof mount> transports up to 2 bikes> weight capacity: 35lbs. Per bike wheel straps and lock included> Fits square, round and oval bars up to 3"" Wide maximum crossbar dimensions: 3-1/8"" Wide x 1-7/8"" Tallabout swagman" "ride, paddle, explore: seek your adventure" "that philosophy was the intention of founders Jim and Jan Morris who saw an opportunity to create a better way to transport your bike back in the early 90’s. Swagman was one of the first companies worldwide to design and market a hitch style bike Rack. Over the years, that small bike rack company based in the Okanagan Valley of British Columbia grew to include numerous other ground breaking designs in the North American bicycle, RV and automobile markets. "