Broken Tire Beads

[novice]

Just found this group and didn't get any really good answers from my
last post. Anyone?

On Aug 15, 10:43 am, novice <nov...@noexpert.org> wrote:
> I have an old commuter bike with good quality (i am told) aluminum
> wheels (can't recall the brand right now). I am having a problem with
> the cheapie 27" tires, the beads keep breaking on them such that the
> tire has a squiggle in it and I have to replace it well before the
> tread is gone. I have used these cheapo, (either chinese or tw) tires
> for many years and never had this problem before. I checked the back
> wheel for out of true and vertical axis play and there is very little,
> appears to be ok. What keeps breaking the beads on these tires. I do
> not go fast or do any curb jumping. Thanks for any help.

BTW, I am installing them gently.

[Marz]

On Aug 15, 2:47 pm, novice <nov...@noexpert.org> wrote:
> Just found this group and didn't get any really good answers from my
> last post. Anyone?
>
> On Aug 15, 10:43 am, novice <nov...@noexpert.org> wrote:
>
> > I have an old commuter bike with good quality (i am told) aluminum
> > wheels (can't recall the brand right now). I am having a problem with
> > the cheapie 27" tires, the beads keep breaking on them such that the
> > tire has a squiggle in it and I have to replace it well before the
> > tread is gone. I have used these cheapo, (either chinese or tw) tires
> > for many years and never had this problem before. I checked the back
> > wheel for out of true and vertical axis play and there is very little,
> > appears to be ok. What keeps breaking the beads on these tires. I do
> > not go fast or do any curb jumping. Thanks for any help.
>
> BTW, I am installing them gently.

When you close the brakes do the pads touch the tyre instead or in
addition to the rim?

[novice]

Marz <marzjennings@gmail.com> wrote in
news:1187209761.652196.205350@k79g2000hse.googlegr oups.com:

> On Aug 15, 2:47 pm, novice <nov...@noexpert.org> wrote:
>> Just found this group and didn't get any really good answers from my
>> last post. Anyone?
>>
>> On Aug 15, 10:43 am, novice <nov...@noexpert.org> wrote:
>>
>> > I have an old commuter bike with good quality (i am told) aluminum
>> > wheels (can't recall the brand right now). I am having a problem
>> > with the cheapie 27" tires, the beads keep breaking on them such
>> > that the tire has a squiggle in it and I have to replace it well
>> > before the tread is gone. I have used these cheapo, (either chinese
>> > or tw) tires for many years and never had this problem before. I
>> > checked the back wheel for out of true and vertical axis play and
>> > there is very little, appears to be ok. What keeps breaking the
>> > beads on these tires. I do not go fast or do any curb jumping.
>> > Thanks for any help.
>>
>> BTW, I am installing them gently.
>
> When you close the brakes do the pads touch the tyre instead or in
> addition to the rim?
>

That is a possibility that never occurred to me, thanks. Do you know for
a fact one leads to the other?

[Mark]

novice wrote:
> Marz <marzjennings@gmail.com> wrote in
> news:1187209761.652196.205350@k79g2000hse.googlegr oups.com:
>
>> On Aug 15, 2:47 pm, novice <nov...@noexpert.org> wrote:
>>> Just found this group and didn't get any really good answers from my
>>> last post. Anyone?
>>>
>>> On Aug 15, 10:43 am, novice <nov...@noexpert.org> wrote:
>>>
>>>> I have an old commuter bike with good quality (i am told) aluminum
>>>> wheels (can't recall the brand right now). I am having a problem
>>>> with the cheapie 27" tires, the beads keep breaking on them such
>>>> that the tire has a squiggle in it and I have to replace it well
>>>> before the tread is gone. I have used these cheapo, (either chinese
>>>> or tw) tires for many years and never had this problem before. I
>>>> checked the back wheel for out of true and vertical axis play and
>>>> there is very little, appears to be ok. What keeps breaking the
>>>> beads on these tires. I do not go fast or do any curb jumping.
>>>> Thanks for any help.
>>> BTW, I am installing them gently.
>> When you close the brakes do the pads touch the tyre instead or in
>> addition to the rim?
>>
>
> That is a possibility that never occurred to me, thanks. Do you know for
> a fact one leads to the other?

I know from embarrassing experience that pads contacting the sidewall
will destroy the tire pretty quickly, though by abrasion and cuts rather
than breaking the bead.

Mark J.