Thanks! I pulled some bicycle-centric photos from recent rides and posted
them to the quickbeam forum per request.
http://www.flickr.com/photos/bikenoir/3797160690/in/pool-quickbeam --the
first of five
With about a half dozen specifically offroad rides and no fewer than 37 jogs
around town, I
You can measure the chainstay width, inside-2-inside, at the point where the
tire passes, then figure howevermany millimeters you're comfortable with for
clearance (four is a fine minimum-and the Japanese standard, Times 2 that's
8.). Then do the negative arithmetic, and blammo--there's your max