thanks very much dddd!

wrt the 1" clamp: have had one or two frames comes through built with metric juvenile dimension tubesets so this would make sense. iirc, for example a metric juvenile steerer is 22.0 mm.

"American River trail": you must be in Sac-O-Tomates

have a Gitane Hosteler from about 1963 hanging in my rack with the full white delrin ensemble.