DSC Club Member
Ducati Meccanica
Bikes: '01 Ducati 748R and '04 Mille RSVR
Posts: 2,665
Join Date: Apr 1999
Location: Nr Boroughbridge, North Yorkshire
Mood: Awaiting the arrival of the sun and the disappearance of the rain
Andy,
I'd go for the bigger one for the extra fiver.
You can always leave space empty but it's harder to find more space if you need it....
You won't really notice the difference in size once on the bike cos the Ventura system is so solid that it feels like part of the bike anyway.
Just my twopennenceworth!!
Guido