Originally Posted by
grumpus
We have 13 bikes from ~1980 - 2021. 9 have rim brakes, 6 have discs, so two of them can use either - a 2009 Trek and my e-bike, which I think is a bit earlier. Newer bikes had discs, older bikes had rim brakes, in the middle some bikes came with a choice, two versions of the same model.
Yeah. I think there was a crossover period there where some bikes would accept both.