Here's the rim / tire safety chart. I just find it hard to believe a 48mm tire on 17mm rim is safe, but 40/15 is not?
On Thursday, October 9, 2025 at 1:55:17 PM UTC-7 Brent Eastman wrote: > I just acquired a soma san marcos with mavic open pro rims, inner rim > width of 15mm. > > I immediately put 40mm tires on it, and have been riding it for a few > weeks as I dial in the build. > > It has a cycle ops power meter rear hub, looks gross, so I was planning on > rebuilding the rear wheel with a cuter hub, but then realized I was fully > in violation of the acceptable range of tire width for this rim. Should I > just get a different wheelset? > > the rim widths recommended by rene herse and sheldon seem to be > conservative at 15mm but then generous at 17mm, idk, is anyone cheating and > getting away with it? > > > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/rbw-owners-bunch/eaad1e5a-8203-4bfa-b9a2-a5b0f02cdae5n%40googlegroups.com.
