Have one, (thule roof bars). The bars are about a foot apart and just
about handle a kiteboard. The short roof means bars have limited
support, so a roofbox is out of the question, as is carrying long
surfboards.
Bars are a pain in the ass with wind noise & resistance.
There is already a hole for golf clubs as standard (one seat pushes
forward). I'm thinking of making this hole bigger so I can fit my board
through. I want to be able to through the gear in the back and go, not
spend 15 mins attaching bars and strapping things on.