Thanks Jeff! Appreciate the update.
Eric On Saturday, December 3, 2016 at 10:44:31 AM UTC-5, Jeff wrote: > > Follow-up ride report for Eric and others, regarding the Snoqualmie Pass > tires in their transition from 19mm Open Pro rims to 24mm A319 rims whereby > the tires now measure ~41.5 vs. the ~39.5.... > > Disclaimer: I'm not generally good about regular tire inflation: I start a > few PSI higher than I prefer then ride until it's a few PSI too low and > inflate - this is a fairly wide range with Compass tires in the widths I > tend to ride. I've now ridden the Snoqualmie Pass on both rims with the > same inflation approach... > > 1. At the higher end of inflation, 65+ PSI, aggressive cornering felt > better with the narrower Open Pro rims > 2. At the lower end of inflation, maybe 25ish PSI, aggressive cornering > felt squirmy and dangerous on the Open Pro rims (so don't do that) > > Full stop. All other ride characteristics were indistinguishable for me > with the two different rim and resultant tire widths. This was in riding on > paved trails, smooth unpaved trails, urban rough road environs and > rocky/crushed rock/rutted trail riding. Further, the Snoqualmie Pass feel > very similar to my true-to-size Barlow Pass tires, such that I expect that > unless I procure a bike with more tire clearance, I'll likely revert to > Barlow Pass tires for this bike when the time comes to replace them for the > additional fender and brake clearance I'd gain. > > -Jeff > Silver Spring, MD > > On Wed, Nov 23, 2016 at 7:11 PM, Jeff Lesperance <jeff.le...@gmail.com > <javascript:>> wrote: > >> I couldn't say yet as I only have an around the block roll on the wider >> rims. I have plans to get some miles in this weekend I I can report back >> then. >> >> On Wed, Nov 23, 2016 at 6:24 PM Eric Karnes <epka...@gmail.com >> <javascript:>> wrote: >> >>> hi jeff- >>> >>> other than slight width differences, do the snoqualmie pass tires ride >>> differently on the two rims? i have a set of open pros and want to run >>> fatter tires. wondering if i need to invest in new rims. >>> >>> thanks! >>> >>> eric >>> >>> >>> >>> On Wednesday, November 23, 2016 at 3:55:40 PM UTC-5, Jeff wrote: >>> >>>> As a follow-up to my problematic wide tires on narrow rims postulation, >>>> I acquired some XT/Mavic A319 wheels for Rosco today, adding ~5mm of rim >>>> width over the Open Pros, and did some measuring. I just posted for >>>> informational purposes on the iBob list, though I'll share here for the >>>> few >>>> of you who might not be subscribed there: >>>> >>>> Friends - I recently built up a Rivendell Rosco Bubbe v2 with the only >>>> 700c wheelset that I had on hand, which featured Mavic Open Pro rims. I >>>> knew for sure that these were not an appropriate rim for the Compass >>>> Snoqualmie Pass tires that I intended to run, but I assessed that I've >>>> done >>>> far dumber things than run too-wide tires on too-narrow rims and decided >>>> this dumb decision probably wouldn't result in my death... >>>> >>>> So, I'm here to report that the 700x44 Snoqualmie Pass tires measure >>>> ~39.5mm on the ~19mm external width / ~14mm internal width Open Pro rims >>>> and they fit beautifully, errr, with nary much margin for error under the >>>> SKS 45mm cream longboard fenders (see previous comment about dumb >>>> things)... >>>> >>>> I'm also here to report that I visited my LBS today, Silver Cycles in >>>> Silver Spring, MD, and they had a Shimano XT/Mavic A319 wheelset that >>>> asked >>>> to come home with me for Thanksgiving, so I obliged. The A319 measures in >>>> at ~24mm external / ~19mm internal width, and the Snoqualmie Pass tires >>>> now >>>> measure in at ~41.5mm and the 45mm longboard fenders are a bit more of a >>>> liability. >>>> >>>> Oh, in both cases, for measurement purposes, I inflated the tires to >>>> ~60psi, which is a higher pressure than I would typically run these >>>> luscious tires. >>>> >>>> -Jeff >>>> Silver Spring, MD >>>> >>>> >>>> On Sun, Oct 30, 2016 at 11:18 PM, Ray Varella <rayvar...@gmail.com> >>>> wrote: >>>> >>> Back in the 80s, I ran ma-40s that Kieth Bontrager cut a rerolled down >>>>> to 26" rim diameter >>>>> I ran them on my mountain bike for 20 years and never had a problem >>>>> with tires coming off or the rims cracking. >>>>> >>>>> I still have some of the Mavic MA-2s in that size and would not >>>>> hesitate to build them up and run RTP tires. >>>>> >>>>> I'm sure there are theoretical reasons to avoid the skinny rim/fat >>>>> tire combo but in practice it doesn't concern me much. >>>>> >>>>> YMMV >>>>> Ray >>>>> Vallejo CA >>>>> >>>> >>>>> -- >>>>> 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. 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