I regularly run over 100 psi with a narrow slick on several Ritchey, Velocity, and Mavic mtb rims. Upper end wheels though (don't know much about cheap OEM anymore..). Have done so for years.noonievut said:I was on the phone with an LBS yesterday and one of the bike mechanics mentioned that mountain bike rims can only handle about 70-80 max PSI. Something to due with a hook (I may not be getting the story right, but it's a great LBS whom I trust)?
So if I have a tire on my bike and it can handle more than 80 PSI (a slick for example), I shouldn't really go over this threshold? Or does the rim itself make a difference (I have Sun Rims...mach IV or something).
I'd like to more about this if someone has more info.