Originally Posted by rustystrings61

One make no one has mentioned yet is Allegro. The geometry on 531-tubed Allegros looks pretty much unchanged between 1936 and 1974, and the ones built c.1960-74 with Bocama 14/II lugs seem to go for reasonable prices. Unless you get really lucky and score a Special from the 50s with Nervex Pro and all the cool funky chrome and smoked paint ....