Can anyone help please. We have a disabled transporter van the one with the taillift at the back. At present we tow an Swift Challenger 530 caravan. The trouble is we now carry in the caravan 2 bikes but now want a bike rack that we can put the bikes onto not the ones that attach at the back but more like the roof ones. We know its going to be high but would like any info on this like if anyone else carries bikes at this height and if it is in fact safe to do so etc. Your help would be gratefully received. Erica. Also can anyone tell us where to purchase these racks from please.