The WG-TPSF4 is supplied fully assembled,No other tools required .

The wheel holders will accommodate most wheelbases, even small children's  bikes .

The long wheel rubber-padded wheel straps hold tyres up to 3” wide; pull on  them to tighten, and use the quick release to loosen.

The build quality - tube bending, welding, rust proofing, painting, component  quality, is exemplary. 

The whole carrier looks and feels like the class act it is.