Great pic Jacques, is that the Beta Boulder mini or the next size up? I ummed & are'd about one for an over nighter a little while ago, but couldn't tell how it would sit over the exhaust but yours looks well out the way. I ended up with a 30ltr Givi dry bag which worked out well & also managed to hook a rucksack over the ends then sits on the the passenger seat giving a nice back rest while upping the capacity to 55ltrs. The Givi bag wasn't quite as long inside as stated on their web site so had to cut an inch or so of the legs of my tripod folding stool to fit it in.