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Do I need a new tyre?

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TravisBickle
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PostPosted: 19:23 - 08 Jun 2020    Post subject: Do I need a new tyre? Reply with quote

Noticed it handling funny, wobbling around excessively in tyre grooves on the tarmac and when going over road paint and cats eyes. Checked the tyre pressure and found it was 8.5psi! Then I found this:

https://i.ibb.co/d5qmP9z/20200608-161614.jpg

Can this be repaired or will it definitely need a new tyre?
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MarJay
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PostPosted: 19:33 - 08 Jun 2020    Post subject: Reply with quote

Pull it out. If the tyre stays inflated it's OK.

It's on a tread block, and so it's not likely to be the cause of an actual puncture. If the tyre is punctured, that's probably not it. If it is, it can be plugged by a tyre place.

Some tyre places won't plug Z rated tyres, but that's a guideline and not a rule, and it's not in the centre of the tread so it might be OK.
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Nobby the Bastard
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PostPosted: 19:45 - 08 Jun 2020    Post subject: Reply with quote

Buy a mushroom kit and plug it yourself.
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TravisBickle
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PostPosted: 19:53 - 08 Jun 2020    Post subject: Reply with quote

Nobby the Bastard wrote:
Buy a mushroom kit and plug it yourself.


I've got some of these and have used them before on cars with much success but I'm guessing they're only intended to be a temporary repair compared to a mushroom being permenant?

https://i.ebayimg.com/images/g/9DoAAOSww9VXhLxu/s-l500.jpg

Also weeks ago I ordered some of the slime fluid to add to the tyre as a preventative measure but haven't got round to putting this in my tyres yet. Thoughts on this? Can it affect handling or whatever?
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kramdra
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PostPosted: 20:17 - 08 Jun 2020    Post subject: Reply with quote

You could do a proper repair yourself, but shops are not going to repair that, and I am yet to find a cheap repairer. Assuming you dont have the tools for tyre changes and repairs, it will not be worth while to do this.

Front tyre can deform a lot on hard braking, enough to pop temporary repairs out of place.
Slime does not like some temporary repairs, it will prevent those strings from being any good. I prefer strings.
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Nobby the Bastard
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PostPosted: 20:34 - 08 Jun 2020    Post subject: Reply with quote

I'd never put slime in a wheel because I dont want to piss off the guy who fits my tyres.

Mushrooms are only supposed to be a temporary repair but meh.
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doggone
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PostPosted: 21:17 - 08 Jun 2020    Post subject: Reply with quote

Tuberculosis wrote:
Nobby the Bastard wrote:
Buy a mushroom kit and plug it yourself.


I've got some of these and have used them before on cars with much success but I'm guessing they're only intended to be a temporary repair compared to a mushroom being permenant?

https://i.ebayimg.com/images/g/9DoAAOSww9VXhLxu/s-l500.jpg


That would be fine, just keep an eye on it at first.
It's quite scary putting it in not least you have to make the hole a lot bigger first. I've had them in bike tyres front and rear and run it until normal replacement.
You don't actually need to use the cement but it acts as lubricant pushing it through is really tough.
After one use the tube will likely go hard and be useless.
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sickpup
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PostPosted: 22:23 - 08 Jun 2020    Post subject: Reply with quote

MarJay wrote:
Some tyre places won't plug Z rated tyres, but that's a guideline and not a rule, and it's not in the centre of the tread so it might be OK.


That made no sense. If you mean the centre of the tyre it's the safest place to plug. If you mean the centre of a cut out part of tread that makes no difference to a mushroom plugged repair.
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Riejufixing
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PostPosted: 22:43 - 08 Jun 2020    Post subject: Re: Do I need a new tyre? Reply with quote

Tuberculosis wrote:
Noticed it handling funny, wobbling around excessively in tyre grooves on the tarmac and when going over road paint and cats eyes. Checked the tyre pressure and found it was 8.5psi! Then I found this:

https://i.ibb.co/d5qmP9z/20200608-161614.jpg

Can this be repaired or will it definitely need a new tyre?

Before you pull it out, wipe some spit on it to see whether it is the problem or not.

It's in a repairable position, but you need to balance the cost of a new tyre with the cost of repair and whatever life is left in your current tyre.
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NJD
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PostPosted: 23:55 - 08 Jun 2020    Post subject: Reply with quote

Phone up your local shop and ask them what they'd charge to install a "hot patch" on the inside of your tyre as you've got what looks to be a nail stuck in it and its leaking air.

If the price is right take it to them loose and let them deal with it.

They'll tell you if the tyre is deformed beyond safe use due to riding it on low P.S.I.

Mushroom plugs, or strips, are only meant to be temporary (I believe). Even if you do attempt a repair and succeed its going to need to be hot patched or replaced eventually.

My local shop prefers unmolested D.I.Y attempts as sometimes the hole is made too big to be considered, by them, useable.

The only road-side kit you'll ever need:

https://www.amazon.co.uk/STOP-POCKET-TYRE-PLUGGER-KIT/dp/B003VE0ZL6
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jaffa90
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PostPosted: 01:10 - 09 Jun 2020    Post subject: Reply with quote

Had the same problem years ago ("sorry sir but we do not repair Z rated tyres") i cannot remember who fixed it but i took the rear wheel to them and they removed the tyre checked the carcase (inside) and bored the punctured hole in the tread area and vulcanised a mushroom plug from the inside obviously. No problems after.
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sickpup
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PostPosted: 01:32 - 09 Jun 2020    Post subject: Reply with quote

NJD wrote:
Phone up your local shop and ask them what they'd charge to install a "hot patch" on the inside of your tyre as you've got what looks to be a nail stuck in it and its leaking air.


I didn't realise we had gone back to the 70's!

Nobby the Bastard wrote:
Mushrooms are only supposed to be a temporary repair but meh.


I think you are mixing up terminology, mushrooms are a permanent repair.
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Minty
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PostPosted: 07:45 - 09 Jun 2020    Post subject: Reply with quote

I've used repair string on my Fireblade and car and have had 100% success in the repair lasting the life of the tyre. I'd say around 8 times over the years.
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kramdra
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PostPosted: 10:15 - 09 Jun 2020    Post subject: Reply with quote

Temp repairs can fail, I have had several, about 5 of 15. In a rear tyre its just an annoyance. If a front fails you may be lucky to stop in a controlled way. Stopping from 120 with the rear flat.. fine down to 60 then gets interesting as the centrifugal force holding the tyre round, collapses and it becomes a floppy unstable mess.

It is not difficult or expensive to do properly, and plenty of videos on YT of how to do it. This is what I use..
wwww.ebay.co.uk/itm/Tyre-Rasp-Puncture-Repair-Buffer-Golf-Ball-Tyre-Repair-Tool/161799450195
www.ebay.co.uk/itm/TYRE-PUNCTURE-REPAIR-PLUGS-6MM-3MM-WITH-VALVE-KEY-AND-TECH-GLUE/140978776986
www.ebay.co.uk/itm/Xtra-Seal-Inner-Liner-Sealer-Tyre-Repair-Patch-Sealer/141139413884
www.ebay.co.uk/itm/BALL-BEARING-TYRE-PATCH-ROLLER-TYRE-PATCH-STITCHER-CAR-VAN-TRUCK-TYRES/131220087927
The burr in a string kit is adequate for cleaning holes. You also need a scraper to remove the inner coating.
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MCN
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PostPosted: 05:38 - 11 Jun 2020    Post subject: Reply with quote

Nobby the Bastard wrote:
I'd never put slime in a wheel because I dont want to piss off the guy who fits my tyres.

Mushrooms are only supposed to be a temporary repair but meh.


I beg you Sir.

Mushrooms or other repair methods are 100% temporary.

(Until you wear out the repaired tyre and fit a new one.)
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1198
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PostPosted: 10:37 - 11 Jun 2020    Post subject: Reply with quote

Looking st the tyre - how worn is it? It seems to have a fair tread depth on but it's not new? How much would a new tyre be fitted?
I know that some breakdown recoveries won't use repairs as they aren't comfortable with them, they instead recovered me 160 miles on a flat bed.
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TravisBickle
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PostPosted: 20:44 - 12 Jun 2020    Post subject: Reply with quote

NJD wrote:
Phone up your local shop and ask them what they'd charge to install a "hot patch" on the inside of your tyre as you've got what looks to be a nail stuck in it and its leaking air.

If the price is right take it to them loose and let them deal with it.

They'll tell you if the tyre is deformed beyond safe use due to riding it on low P.S.I.

Mushroom plugs, or strips, are only meant to be temporary (I believe). Even if you do attempt a repair and succeed its going to need to be hot patched or replaced eventually.

My local shop prefers unmolested D.I.Y attempts as sometimes the hole is made too big to be considered, by them, useable.

The only road-side kit you'll ever need:

https://www.amazon.co.uk/STOP-POCKET-TYRE-PLUGGER-KIT/dp/B003VE0ZL6


This is the best kit I've ever seen. A bit pricey at £40 but the design inspires me with confidence. I have to say I do prefer the look of the mushroom tyre plugs. I've used the string type ones many times before on cars, they're dirt cheap and I've always had 100% success rate with them but I have to say I wouldn't be comfortable using one as a permanent repair on a bike (they're kinda messy, leave an unnecessary long piece of string inside the tyre, I worry if they would work their way out eventually and unbalance the wheel). These mushroom type ones look really nice and tidy, just do the job perfectly with minimal amount of extra material inside the tyre and obviously the mushroom shape ensures they don't come out on their own. I've just ordered a kit. Cheers for the advice.
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TravisBickle
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PostPosted: 20:52 - 12 Jun 2020    Post subject: Reply with quote

Anyone ever used a CO2 inflator? Thinking of getting one just for emergencies. Would one be enough to inflate a tyre from flat???
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Riejufixing
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PostPosted: 21:09 - 12 Jun 2020    Post subject: Reply with quote

Tuberculosis wrote:
NJD wrote:


This is the best kit I've ever seen. A bit pricey at £40 but the design inspires me with confidence. I have to say I do prefer the look of the mushroom tyre plugs. I've used the string type ones many times before on cars, they're dirt cheap and I've always had 100% success rate with them but I have to say I wouldn't be comfortable using one as a permanent repair on a bike (they're kinda messy, leave an unnecessary long piece of string inside the tyre, I worry if they would work their way out eventually and unbalance the wheel). These mushroom type ones look really nice and tidy, just do the job perfectly with minimal amount of extra material inside the tyre and obviously the mushroom shape ensures they don't come out on their own. I've just ordered a kit. Cheers for the advice.

Those things are for temporary repairs. Permanent fix mushroom patches are like these:

https://www.ebay.co.uk/itm/TYRE-PUNCTURE-REPAIR-WIRED-3MM-PLUG-PATCH-MOTORCYCLE-CAR-X-5-GLUE/200863690000?epid=1888246059&hash=item2ec468ad10:g:450AAMXQqBxRHkFe

The size refers to the hole size you need to ream out. The glue is room temperature vulcanising cement. I don't recomment the article indicated, just use it as an example.

You could probably get some glue and a few patches from your local fast fit for a few pounds.


Last edited by Riejufixing on 21:10 - 12 Jun 2020; edited 1 time in total
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TravisBickle
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PostPosted: 21:10 - 12 Jun 2020    Post subject: Reply with quote

But you'd have to do those from the inside right?
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Riejufixing
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PostPosted: 21:15 - 12 Jun 2020    Post subject: Reply with quote

Tuberculosis wrote:
But you'd have to do those from the inside right?

Yes. They are a permanent fix, unlike the roadside repair things. They are not hard to fit, just get the tyre off, clean thr area around the hole inside, a bit bigger than the patch, so it's smooth and clean, ream out the hole, apply cement, let it dry, feed in the "stalk", pull the patch on, press it as you'd expect, put the tyre back on. You can also get oblong patches. Not for use on tears etc, just holes.
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kramdra
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PostPosted: 22:15 - 12 Jun 2020    Post subject: Reply with quote

C02 inflators are rubbish, not much air in them. Need 5 or so to get correct pressure. For a tiny bit more under seat space you can fit a decent mini compressor..
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mentalboy
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PostPosted: 23:10 - 12 Jun 2020    Post subject: Reply with quote

Tuberculosis wrote:
Nobby the Bastard wrote:
Buy a mushroom kit and plug it yourself.


I've got some of these and have used them before on cars with much success but I'm guessing they're only intended to be a temporary repair compared to a mushroom being permenant?

https://i.ebayimg.com/images/g/9DoAAOSww9VXhLxu/s-l500.jpg

Also weeks ago I ordered some of the slime fluid to add to the tyre as a preventative measure but haven't got round to putting this in my tyres yet. Thoughts on this? Can it affect handling or whatever?


Huh, do those Slime kits always come with glue? Here in the good ol' US of A I use that system on my pick up, which picks up nails for a pastime, but there is never glue with the kit. We call them 'Strings' and they are gobbed up with tarry stuff that sticks like shit to a blanket.

Personally, I wouldn't use them on a bike as they are hit and miss for sealing, sometimes they give slow leaks, sometimes they don't. Okay to have a slow leak on a four wheeled beast that rarely sees 80mph but not the best on a two wheeled machine that you can potter round on at a ton thirty. I have not long replaced a wellie on the beast that had a slow leak from one of those strings, not easy to tell which one as it had four repairs. Great for roadside repair.

Mushrooms for the win on bikes. hunt around as some places won't do them, some will rip you a new arsehole when it comes to the bill and some are dirt cheap.
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weasley
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PostPosted: 23:47 - 12 Jun 2020    Post subject: Reply with quote

kramdra wrote:
C02 inflators are rubbish, not much air in them...

None at all, in fact. 😉

Agree with the intent though - one CO2 is barely enough to inflate a bicycle tyre.
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Riejufixing
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PostPosted: 00:26 - 13 Jun 2020    Post subject: Reply with quote

weasley wrote:
kramdra wrote:
C02 inflators are rubbish, not much air in them...

None at all, in fact. 😉

Agree with the intent though - one CO2 is barely enough to inflate a bicycle tyre.

But a bicycle pump is (it will pump up a motorbike tyre, too). They aren't hard to carry, either.
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