I currently use a CKX trunk bag and it's pretty well had the biscuit.If I do use it again this winter I'm going to have to take it somewhere and have some sewing done to it,but what I'd like to do is buy a Yamaha one but other than the very odd proaction one on eBay about the only choice I will have is one for the 4 stroke chassis.Has anyone used one of the new trunk bags on an SRX or proaction chassis?I'd like to know how they fit with the bump in the seat.