Tony Raven wrote:
[snip]
Quoted message said:Try rigging some tyre savers on your wheels. If they are slicks, a loop
of gear wire resting on the surface at the top of the wheel should do
it. It will pull out any bits of glass stuck in the tyre as soon as they
are picked up rather than carrying them round and round pushing them
further and further into the tyre each time they meet the road. Used to
be very common but they seem to have gone out of fashion these days.
Tony
Dear Tony,
Luckily, you didn't mention tire savers in RBT.
If you had, you might see why some of us are a bit obsessive.
Here's a mild reaction to any mention of tire savers:
| Ah yes, "tire savers", as they were known in some circles, were one
of
| those "tossing salt over the shoulder" quirks of bicycling, like
| wiping tires. Among my riding companions the only thing they did was
| to make obvious who had them on their bicycles when the roads were
| wet, because the guy with tire savers was the rider with the dirtiest
| legs. The number of flats had no apparent statistical difference.
| The tire saver guys were there on Wednesday evenings at my weekly
tire
| patch sessions just like the others.
|
| http://www.sheldonbrown.com/brandt/wiping.html
|
| Jobst Brandt
http://groups.google.com/group/rec.bicycles.tech/msg/1202787bc070229f?hl=en&
If you go to the link that Jobst modestly provides, you'll read that:
"Hence, any glass or other small object would be firmly pressed into
the tire by four revolutions and all exposed glass edges chipped off.
By the time the other tire is wiped several more seconds will have
passed. If the glass is not thoroughly embedded by then it will not
enter the tire."
"This is not to say that particles embedded in a tire always cause a
leak immediately, but that they are irrecoverably in the tire at that
time."
http://www.sheldonbrown.com/brandt/wiping.html
Jobst sees no difference between the hand-wiping practice that allows 4
turns and the tire savers, which allow only half a turn. The glass is
either hopelessly embedded or . . .
Er, it's embedded enough to be there, but it promises not to go any
further?
It's worth nothing that Sheldon only hosts Jobst's FAQ and takes a less
absolute view of tire savers:
"These are of dubious value in practice, but may be of help in backward
areas where throwaway beverage bottles are still legal, and glass
slivers are a major problem"
http://sheldonbrown.com/flats.html#tiresavers
So Jobst insists that tire savers are myth and lore, Sheldon says
maybe, and Tony Raven says that they should work.
Somehow I think that Sheldon and Tony Raven would be more willing to
have their minds changed by evidence. Your endorsement is tempting me
to try them, even though I expect that goathead thorns plunge in up to
the hilt immediately.
Cheers,
Carl Fogel