I tried the Inno INA 392, bought from roofbox.co.uk (always great)
Weight limit is 23kg (take battery out) and it comes with all the different through-axle sizes.
It locks the forks in for security.
Now, my vehicles are not....normal ?....so ignore the specific examples here and look at the rack on a normal roof rack....
I figured that a fork fitting system would be better - lowers the bike, shortens the huge length, is more rigid than the wheel straps and the systems that grip the down tube struggle with the huge Levo frame thickness...
Now in my specific case, it doesn’t work - simply because the front fixing point is at the end of the Ali rack means that I can’t centralise it on my ‘roof/rollbar’ bars - but I’ll probably keep the INA 392 so I can use it on normal systems. Carrying the Levo on the Caterham may be a no-go!
The van is easier - the Fiamma system takes the weight, and although the bike hangs off the ends a bit, by using extra fittings I can support it in various places.
Pictures explain it all better - as I said - FOR ILLUSTRATION PURPOSES ONLY - IM NOT GOING TO USE THIS METHOD ON THE CATERHAM ??