Thanks, David. The punctures I have in mind are pinprick goathead holes. I understand that bigger ones will entail the usual tubular flat hassle.
On Tue, Dec 18, 2012 at 4:05 PM, David Yu Greenblatt <david.yu.greenbl...@gmail.com> wrote: > I have used tubeless MTB and 650B tires with sealant, and tubular cyclocross > tires with sealant. My impression is that tubular cyclocross tires with > sealant are more resistant to pinprick-style punctures compared to > sealant-less tubulars, but are nowhere near as flatproof as true tubeless > tires. In my experience, once a cyclocross tubular has a legitimate puncture > (not some tiny leak), no amount of additional Stan's sealant or Vittoria Pit > Stop latex foam will revive it. > > The key variable regarding sealant performance is tube vs. no tube, not high > vs. low pressure. Once a thin-walled inner tube suffers a significant > puncture or laceration, the sealant can't repair the defect. In contrast, > punctures in a relatively thick-walled tubeless tire can be plugged by the > latex particles in the sealant before a flat ensues. That is my theory, > anyway. > > By all means, give it a try, but if you are currently getting 2-3 flats per > week on standard tubed clincher tires I would be surprised if you can go 2 > weeks without a flat with tubulars plus sealant. And remember, while you can > repair a punctured clincher inner tube at the road side in a few minutes, > repairing a punctured tubular is a major ordeal. > > - David G in SF > > > On Tue, Dec 18, 2012 at 2:29 PM, PATRICK MOORE <bertin...@gmail.com> wrote: >> >> Jim -- I guess that your implicit point remains (so all chime in): >> that sealants in low pressure tires might work much better than same >> sealants in HP tires. OTOH, the scuttlebutt/googlebutt I've read leads >> me to think that these sealants might work well in HP tubs, too. I >> solicit comments from tub riders. >> >> On Tue, Dec 18, 2012 at 3:27 PM, PATRICK MOORE <bertin...@gmail.com> >> wrote: >> > Thanks. But really, no terminological inexactitude at all; I've read >> > about using Stans (and other new-tech sealants) in Tubs (tubulars, sew >> > ups) with good results. >> > >> > Also, I have no desire to run anything bigger than say 28 on this Ram, >> > at least according to my current programming. I've got Fat on the >> > Fargo. >> > >> > There was a thread on the CR list recently about sub $50 tubs that >> > were (per the posters) decent. My idea is to find a CL or eB or swap >> > meet tub wheelset, spend $150 on 3 Thailand tubs and $10 on Stans, and >> > give it a whirl. Note that my 650CX23 Michelin Pro Races puncture no >> > more than my Kojaks, at least on the roads I generally ride them; no >> > more than 2-3 flats a week over the three bikes, which is not to bad >> > by my frames of reference. >> > >> > On Tue, Dec 18, 2012 at 3:11 PM, Jim Mather <mather...@gmail.com> wrote: >> >> You are confusing the terminology: Stan's is tubeless, not tubular. >> >> Tubular, aka sew-ups, are a tire sewn around a tube. >> >> >> >> Stan's has road tubular, but it's expensive and tire choice is >> >> limited. It is intended for racers who will run high psi. You can read >> >> about it here: http://www.notubes.com/Road-Tubeless-C78.aspx >> >> >> >> If you're setting up a fairly fat tire with with lower pressures, you >> >> have more flexibility. For example, a Big Apple would probably make a >> >> great tubeless set up, but a Ram won't fit that. Run a 40mm tire at >> >> less than 60 psi, and it might work but I don't know for sure. But to >> >> run a 40 on a Ram, I imagine you need to do the 650B conversion. >> >> >> >> jim m >> >> wc ca >> >> >> >> On Tue, Dec 18, 2012 at 2:01 PM, PATRICK MOORE <bertin...@gmail.com> >> >> wrote: >> >>> I'm getting mixed signals on this -- partly scuttlebutt, partly via >> >>> Google. If Stans can work off road, why not on road? >> >>> >> >>> In any event, if I do try tubs, it will be on the cheap with a >> >>> scavenged or at least used wheelset. >> >>> >> >>> On Tue, Dec 18, 2012 at 1:01 PM, David Yu Greenblatt >> >>> <david.yu.greenbl...@gmail.com> wrote: >> >>>> Patrick, >> >>>> >> >>>> As you live in goathead country trying to run tubular tires (which, >> >>>> as you >> >>>> know, have tubes) with or without Stan's sealant may be an expensive >> >>>> and >> >>>> frustrating experiment. >> >>>> >> >>>> I am curious about how tubeless Hetres (with Stan's) would perform in >> >>>> your >> >>>> area. >> >>>> >> >>>> - David G in SF >> >>>> >> >>>> >> >>>> On Tue, Dec 18, 2012 at 10:34 AM, PATRICK MOORE <bertin...@gmail.com> >> >>>> wrote: >> >>>>> >> >>>>> <snip> >> >>>>> >> >>>>> >> >>>>> Am still debating whether I want to try tubulars (with Stans). >> >>>>> >> >>>>> <snip> >> >>>> > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/rbw-owners-bunch?hl=en. -- ------------------------- Patrick Moore, Albuquerque, NM, USA For professional resumes, contact Patrick Moore, ACRW http://resumespecialties.com/index.html ------------------------- -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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