I think the market will take the offer. I mean it probably comes with some sort of exclusivity (in terms of the amount of dealers in specific geographic areas etc.) and that will guarantee some level of baseline sales. It will be less of an issue if retailers have multiple shops. For example Cycles Galleria in Melbourne are already running a multiple shop format an their QV store is basically a trek concept store. Come to think of it, I can't recall the last time I saw a non-trek bike at that store location. Their other cbd store does other brands.
I think for the type of sales trek are going for, it's not someone who will pick a banshee over a trek. It will be some rich roadie that walks in and decides that he wants to suddenly MTB, looks around and thinks that the yeti is a kmart bike and then proceeds to buy a brand they actually recognize. It sounds stupid, but I assure you most of the CBD location shops wouldn't survive if it weren't for this phenomenon.