Originally Posted by
family_belly
A related question I've been pondering is: When did the high-end builders switch from single, down tube water bottle bosses to adding a second set on the seat tube?
stan
beginning approx 1981/82
i'm also thinking that the switch to recessed brake bolts was more like 77/78
btm bkt cable routing from above to below was a gradual shift,depending on the builder's preference beginning around 78 but was not widespead practice until around 1980/81