Friday, June 8, 2018

OS20

23" top tube, 7/8" BB rise, 73.5* HA 72* SA,
 335mm axle to crown fork
 Weird: I had to scrap a few "S" bend attempts until I got one that hit the brake bosses and met the seat tube at the intended angle.

 I did find some 1.25" Supertherm to use for Bruce's seat tube: 20" race/dirt frame (27.2mm post)

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