Thanks for the clarification y'all. Seems like, as is the case with most bike things, a few mm doesn't make much difference.
Sheldon hasn't steered my wrong yet, but I do try to find a second source usually. Here's another, slightly less conservative chart from http://www.slowtwitch.com/Tech/Implications_of_Rim_Width_2803.html It still puts the 15c Open Pro way down on the skinny end and pretty much backs up Sheldon's chart. What's noteworthy to me is that 17c and wider will match well with any tire that I've every had a bike for. I do wonder why the 17c to 21c seem to match with a broader set of sizes, but as long as my wheels stay on the rim and the bike rolls and turns normally, I'm fine. It's also noteworthy that the article is focused on how skinny you can get your tires. Different strokes I guess. Paul in ATL On Tuesday, November 29, 2016 at 11:52:03 AM UTC-5, Patrick Moore wrote: > > It's not? > > Which tyre fits safely on which rim? > [all dimensions in millimeters] > Tyre width > Rim width > (interior)1820232528323537404447505457 > 13 X X X X > 15 X X X X > 17 X X X X X > 19 X X X X X X > 21 X X X X X X > 23 X X X X > 25 X X X X X > Note: This chart may err a bit on the side of caution. Many cyclists > exceed the recommended widths with no problem. > > [image: Spoke divider] > > On Tue, Nov 29, 2016 at 9:37 AM, Scott Henry <ske...@gmail.com > <javascript:>> wrote: > >> Please remember the source for your info. >> Sheldon died almost a decade ago. Much has changed since then, if you >> are looking for any current info, that's not the place to look. >> >> Back in his day, 35's were huge tires. >> >> On Tue, Nov 29, 2016 at 9:24 AM, Paul Clifton <paulgc...@gmail.com >> <javascript:>> wrote: >> >>> Well, now I'm confused a bit. >>> >>> How much wiggle room do rims have on the max tire size, or does it >>> depend on the rim shape? >>> >>> Have any wide tires ever popped off any narrow rims? >>> >>> I've been wheel shopping. I want to use mostly 38mm tires. The Open Pro >>> is 15mm wide on the inside and is rated for up to 28mm tires ( >>> https://shop.mavic.com/en-us/open-pro-c-j24200.html). Sheldon Brown has >>> a table that puts 19mm wide rims in my sweet spot: >>> www.sheldonbrown.com/tire-sizing.html#width >>> >>> It's been tricky to find a budget wheelset with both a 19mm or wider rim >>> and a 130mm rear hub. So far the only reasonable option I've found uses a >>> Velocity Dyad ( >>> http://harriscyclery.net/product/velocity-700c-dyad-rs400-tiagra-wheel-set-36-spoke-3247.htm >>> ). >>> >>> But I have a lot more options if a 40mm tire works well on a 15mm wide >>> rim. So what gives? >>> >>> Also, anyone have any wheels for sale with medium-wide rims and 130mm >>> rear hub? >>> >>> On Tuesday, November 29, 2016 at 8:24:28 AM UTC-5, Skenry wrote: >>>> >>>> You are good to upsize on those rims, look at a mountainbike >>>> someday. Tires can easily triple the rim width. >>>> >>>> As for tire, I actually recommend these from Pmart >>>> >>>> http://www.performancebike.com/webapp/wcs/stores/servlet/Product_10052_10551_1168230_-1_400904__400904 >>>> >>>> Cheap as all get out, not too heavy and they perform really well. >>>> They are my go-to tire for non racing cross bikes anymore. Did I mention >>>> cheap? >>>> Scott >>>> >>>> >>>> On Tue, Nov 29, 2016 at 7:05 AM, 'Mark Etze' via RBW Owners Bunch < >>>> rbw-owne...@googlegroups.com> wrote: >>>> >>>>> I have that exact set up, Mavic Open Pro's with 40mm Clement MSO's. I >>>>> run them at 60psi and they have been great with out any squirliness at >>>>> all >>>>> and no flats with 1500 miles on them. >>>>> >>>>> -- >>>>> 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 rbw-owners-bun...@googlegroups.com. >>>>> To post to this group, send email to rbw-owne...@googlegroups.com. >>>>> Visit this group at https://groups.google.com/group/rbw-owners-bunch. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> -- >>> 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 rbw-owners-bun...@googlegroups.com <javascript:>. >>> To post to this group, send email to rbw-owne...@googlegroups.com >>> <javascript:>. >>> Visit this group at https://groups.google.com/group/rbw-owners-bunch. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> 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 rbw-owners-bun...@googlegroups.com <javascript:>. >> To post to this group, send email to rbw-owne...@googlegroups.com >> <javascript:>. >> Visit this group at https://groups.google.com/group/rbw-owners-bunch. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Resumes, LinkedIn profiles, bios, and letters that get interviews. > By-the-hour resume and LinkedIn coaching. > Other professional writing services. > http://www.resumespecialties.com/ > www.linkedin.com/in/patrickmooreresumespec/ > Patrick Moore > Alburquerque, Nouvelle Mexique, Vereinigte Staaten > ************************************************************************** > ************** > *The point which is the pivot of the norm is the motionless center of a > circumference on the contours of which all conditions, distinctions, and > individualities revolve. *Chuang Tzu > > *Stat crux dum volvitur orbis.* *(The cross stands motionless while the > world revolves.) *Carthusian motto > > *It is *we *who change; *He* remains the same.* Eckhart > > *Kinei hos eromenon.* (*It moves [all things] as the beloved.) *Aristotle > > > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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