I have a heretical theory. Thin tires are plush, if you run em soft
that is.
It seems to me that at equal pressure fatter tires ride harder than
skinnier ones.
For example, when I was riding 22c tubulars at 55 or 60 psi going up
the ridge in the local open space they were quite cushy (it takes a
lot to pinch flat a tubular).
One reason to go to a wider tire is to stop getting pinch flats when
inflating to comfortable pressures. But when you do you will need to
go to even lower pressure to get the softness you had. If you go wide
enough you get away from the pinch flats even with the reduced
pressure. Seems like the pinch flat relief gain is bigger than the
hard ride penalty, but you do end up at much lower pressure (eg 20-25
psi in 50c Quasi-Motos vs 55-60 in 22c conti-gatorskin)
Given all that I think that how wide is wide enough depends on how
much weight is on the tire. Lighter riders (not loaded touring) can be
perfectly comfy on thiner tires than heavy folks without getting pinch
flats.
Of course there are other features of fatter tires, but for ride
quality I don't buy it being as simple as fat is comfy.
On Sep 7, 5:35 pm, PATRICK MOORE <bertin...@gmail.com> wrote:
> I am curious, Grant: I ride scandalously narrow tires on my two small wheel
> customs and yet I find that they are surprisingly plush over smaller bumps
> (6" expansion cracks are another matter). 44 1/2 cm chainstays. Is it the
> chainstays that makes such otherwise nasty tires tolerable? ("Nasty" is
> self-defensive rhetoric; I like the way the new 650C X 23 Michelin Pro Race
> 3s climb. Must be the "Pro" and the "Race".)
>
> Other news: my erstwhile '73 Motobecane Grand Record frameset, now gone to
> a better owner, was noticeably lighter than the two Rivs. Yet it handled
> rear loads better. Also 44-45 cm chainstays. Why is this? Not complaining
> but I could carry 35 lb on the rear of the Motobecane without any real
> wagging, while the '03 Curt with that much is much more of a handful
>
> Noticed today that Jan says (or implies: I think I am paraphrasing
> correctly) that even OS tubed frames can "plane" if the dt is thicker than
> TT and ST. For what *that's* worth.
>
>
>
>
>
>
>
>
>
> On Fri, Sep 7, 2012 at 6:02 PM, Leslie <leslie.bri...@gmail.com> wrote:
> > AND, there ya go.... Straight from Grant.... Cool!
>
> > (I'm assuming everyone gets the RBW emails?)
>
> > -L
>
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> --
> "Believe nothing until it has been officially denied."
> -- Claude Cockburn
>
> -------------------------
> Patrick Moore, Albuquerque, NM, USA
> For professional resumes, contact Patrick Moore,
> ACRWhttp://resumespecialties.com/index.html
> -------------------------
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