It depends on what you mean by "can fit". Some people mean just that they won't rub in the stand. It is becoming increasingly common to demand far greater clearance between fender and tire for gravel riding. Jan is now saying 25mm of clearance all around is ideal, while a lot of people think 15mm is ample and conservative.
In my experience with a 2009 Canti Hillborne, 45mm tires barely fit with no fenders at all. It would not be smart at all to even try to run 45mm tires under 50mm metal fenders on gravel. I doubt it would work at all even in the stand, but even if you got the wheels to turn it would not be smart off pavement. I'm running real 38mm road tires on that bike right now, but with no fenders, and I believe I have room for fenders with decent clearances. So, if 40mm Mondials run narrow, they probably would fit. You might have to get creative with the internal hardware on your Berthoud fenders, though. Definitely install Portland Design Works quick release thingies on the front fender if you are really going to ride gravel. Have fun! Bill Lindsay El Cerrito, CA On Thursday, April 21, 2016 at 8:11:48 AM UTC-7, John Bokman wrote: > > Greetings. > > I've dug into all the back posts about the various widths and etc. but > haven't found what i'm looking for, so please excuse the redundancy. > > Here's my setup: 2009 Canti Sam Hillborne @ 60cm. I'm running 50mm > Berthoud fenders. I've got Velocity Synergy 23mm rims. > > Question: What is the largest Marathon Mondials I can fit given this > setup? 700x40? 700x45? Remember, I've got fenders, and I'm not taking them > off. > > I am under the impression Mondials are about 1.5 mm thinner than their > stated size. > > I'm itching to do some dirt/gravel road touring! > > Thanks to all. > > J. > -- 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 post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
