On Thursday, September 7, 2017 at 7:27:48 AM UTC-7, Joerg wrote:
On 2017-09-07 06:22, AMuzi wrote:
On 9/6/2017 11:20 AM, Joerg wrote:
On 2017-09-05 23:22, John B. wrote:
On Tue, 05 Sep 2017 16:20:54 -0700, Joerg

wrote:

On 2017-09-05 14:06, Doug Landau wrote:
On Tuesday, September 5, 2017 at 11:29:18 AM UTC-7,
Joerg wrote:
On 2017-09-05 10:29, Doug Landau wrote:
On Saturday, September 2, 2017 at 7:36:16 AM UTC-7,
Joerg wrote:
On 2017-08-31 17:38, Doug Landau wrote:
On Thursday, August 31, 2017 at 11:55:06 AM UTC-7,
Joerg wrote:
Yesterday I had another two (!) sidewall punctures.
Long story
short I will definitely not recommend CST
Conquistare tires.
Wore out in less than 1200mi and then weakened
which is just
unacceptable. So thumbs down from me.

This brings up two questions:

1. The Mr.Tuffy orange liners for 700c narrow
tires. They must
be laid in with a wee overlap. Will that overlap
cause a 700c
25mm tire at 110psi to run bumpy? Like whop .. whop
.. whop
every time the overlap comes around?

2. What about taking a second (otherwise discarded)
thorn-resistant tube, slit it open on the inside
and slide it
over the real thorn-resistant as a 2nd layer?

The problem is that Kenda seems to have
discontinued selling
thorn-resistant tubes with good and most of all
same thickness
all around but now the thickness tapers off towards
the
sidewalls. That's where they fail. Same for Sunlite
which I had
to re-order yesterday because those things are
essentially
unfixable with those thin REMA patches.

Any words of wisdom? As usual, weight absolutely
does not
matter.

In case anyone knows: I read somewhere that
smugglers "inflate"
their vehicle tires with some sort of hardening
sealant
(Silicone? Construction foam?) that makes the tires
bullet-proof. What material is it and how do they
get it in
there thoroughly enough? Would it be good for a
couple of
thousand miles?

Those who are serious about not getting flats make
their own mr
tuffys from old tires


How do you do the overlap? It has to be cut because
the radius
inside is a smidgen smaller than normal.

I was thinking about making my own Mr.Tuffy from a 2nd
thorn-resistant tube that is slit open lengthwise on
the rim side.
I'll see when the new tube gets here next week. There
should be
enough compliance in the rubber so there won;t be any
wrinkles.
Hopefully. The othe issue is that the smallest these
tubes come is
700 x 23/25mm and even 23mm is a bit large if there
is a another
thick tube in there.

Fraid I either did not ask or don't remember. I
remember the part
about removing the bead, but that's obvious. Mostly I
remember the
conclusion, made simply with no effort to convince:
"... and I don't
get flats".

Check it out. This guy rides 28s, and makes liners out
of old 27s, so there is no cutting or overlapping
necessary.
http://forums.bicycletutor.com/thread-4387.html


Good idea, though I wouldn't know anyone who still uses
27" wheels. Some
27" tires are still sold on EBay. But first I'll try the
Mr.Tuffy which
should be here in a week. Until then the MTB will be
pressed into
service despite an ailing BB. Carrying a spritz of
turbine oil along in
case it starts screeching.

https://www.biketiresdirect.com/sear...-tires?ppp=ALL



Amazing that there still is a market. Must be a lot of older
guys like us tooling around on their teenager bikes :-)


The working poor get to work every morning on $20 bikes, many with 27"
wheels.


Sure. So did I when I was a student. The used 27" bikes back then lasted
one year on average. Then just about everything was shot, BB, wheel
bearings, rims, to the point where the fix simply was to consult the
university pinboard for another used road bike.

In 1982 I landed a lucrative vacation job so could afford a bike
custom-assembled at a LBS. I still ride that. It is a 700c bike and
those were hot commodities among thieves. So I had to use the old used
bikes for commuting and errand runs.

None of this blather matters