11-12-11, 10:09 PM
Well, if the contact patch is a bit broader than standard for a 5" rim it certainly doesn't bother me and presumably for normal riding it means the tyre lasts longer. Perhaps for track days a 170 might offer some advantage, but on the road I only just reach the edge of the tread... if it had a steeper profile I'd be paying for tread I'd never use.