Thanks for the advice. (I searched but couldn't see the thread you pointed too)

As someone said on that thread - I'm rubbish at fitting so I think I might go with the tow bar solution

When you say "7N single socket electrics" is that a type of towbar?

I was just looking at the fact sheet for bike racks...

I'm looking for a bike rack for 4 bikes. We have a rear spoiler. Bongo manufactured 2000. I don't have a towbar.

The fact sheets suggests a Fiamma Carrybike Pro (though need to be professionally fitted but not removing the top fairing)

I ...