Originally Posted by
Andy_K
This isn't the first bike I've seen designed around those tires. I'll be interested to see how yours ends up comparing to the one @
gugie built.
Except for the tires/wheels and brakes (canti) it's pretty much a carbon copy of the 650b x 42 Baby Shoe Pass frame I built. Since the OD of the BSP and RTP tires are within a mm or two (as measured in my shop) I didn't even have to adjust the main frame fixture. The chainstays will probably get a little more sophisticated treatment in order to clear the 60-62 mm fenders cleanly and with adequate daylight between. Fabrication photo album of the 650b, here:
https://www.flickr.com/photos/216244...15273680/page1
650b x 42 BSP frame. Internal wiring + slip-ring in the HT for power to the taillight. The frame has the essential rinko details built in though I haven't modified the rear fender or other bolt on stuff to support it. The rack I built also houses the wiring in the right side strut.
