I am not at all trying to be contradictory; quite the contrary; but I think it's well to state one's own experience if it might help others. The Great, Flaming, Roaring cosmic principle applies: *YMMV.*
My own experience is that even very thin-casing tubeless tires don't require pumping any more often than thin clinchers with thin tubes. In fact, I overfilled the fron Big One on the Matthews 3 weeks ago, I guesstimate north of 25 (couldn't use my tire gauge because of the blockage), and was annoyed because the valve was glued shut by the sealant, but was too lazy to remove the core. Now, 3 weeks or more later, I've lost a few psi, so the pressure is probably about the usual 20-21 or so. I do think that OS in particular builds up a skin on the inside of tubeless tires, so this may be a factor; but even when using Stan's -- which dried into octopuses and not skins -- I didn't find that I had to pump more often than with tubes. As for very low pressures: I think that depends on the tire. The lighter-than-Rene-Herse Big Ones feel fast at 16 psi; where they feel bad is in corners, what with the sidewall flop -- supple-er tires require more air pressure to support the sidewalls than heavier tires. Likewise, today I had another slow leak on the gofast; noticed the rear was soft because I started bouncing, but I felt no more drag. Patrick Moore, who thinks that it's about time to change that rear Elk Pass ... On Fri, Apr 17, 2020 at 2:25 PM masmojo <masm...@sbcglobal.net> wrote: > ... The downside of tubeless as I experience it is, you do have to top up > the pressure in your tire before just about every ride. Or every other day > if you ride a lot. > > As far as tire pressure goes, yes you can ride on ridiculously low > pressure, but it's not advisable; it does slow you down considerably. I've > found I basically run the same pressure as with tubes, the main thing is > the ride is different it feels like lower pressure even if it isn't! Sort > of in between clinches & tubular tires is the description I've heard & I > would say that's a good description, but only relevant if you've ridden > tubulars. > > -- -- 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-bunch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/CALuTfguGDtW997LdLctrY%2Bi1zze_Sm%3D1dma9HMSUhT4JjTL4yA%40mail.gmail.com.