Originally Posted by
scotjonscot
28mm tires would make the already low bottom bracket dangerously low
I doubt it, for a good while I had 21mm tires on my road bike with 72.5mm BB drop. No issues, and I did some light off roading and hopped curbs.
That's right about the same BB height off ground as a Diverge with 80 drop and 28mm tires would get