Still is.I’ve got this WW1 poster hanging in my garage. Pedal Cycle Fitter was a trade.
We used to have a bicycle shop near us, the guy who ran it did a full apprenticeship with Raleigh, based in Nottingham I think, and was quite scathing about the standard of modern bike salesmen.Still is.
try and find someone to set up a bicycle properly. Apparently, tour de france mechanics are as sought after as F1 mechanic types.
And the wizardry of setting up tandems ...