CO2 safe tube patches, suggestions?
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CO2 safe tube patches, suggestions?
Postby Widget » Tue Apr 04, 2017 1:04 am
Long story short, I went for a ride and got a flat. Unfortunately I didn't have my pump or presta > schrader adapter, so had to use CO2 for the 1st time.
The spare tube I used, had recently been patched using one of those 'Park Tools self adhesive' patches (the clear kind). Patch was fine, I tested it by pumping the tube up afterwards and it held, no problem.
After replacing the tube, I used my CO2 (wow, the frost build up, quite interesting :p), packed up, then proceeded to ride home... 25m down the road, psshhhhh... flat. I removed the tube and noticed the patch went funny..
Replaced it with the 2nd tube (also patched with same patch), inflated with CO2, and rode home ok. (next morning wheel flat.. have yet to inspect tube)
So.. I was contemplating getting some patches.. probably the glue on type.. but was wondering what you guys use for both,
a) the patch
b) the glue
I was looking at these as they seem to be only 15mm.. so not too big, unlike those rectangle ones which are rather large.
http://www.ebay.com.au/itm/100x-15mm-Bi ... SwA3dYPWIZ
Thoughts ?
- Tim
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Re: CO2 safe tube patches, suggestions?
Postby Tim » Tue Apr 04, 2017 7:32 am
Patches just don't seem to hold these days.
No matter how carefully and properly I prepare a punctured tube the patches fail. They usually hold for a brief amount of time, 5 minutes, overnight, or a couple of days.
Glued or glueless, they nearly all fail.
I tried a Lezyne kit, patch and glue, thinking good quality might work but no luck.
I know how to repair a tube, been doing it since I was a kid, something has changed,
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Re: CO2 safe tube patches, suggestions?
Postby RobertL » Tue Apr 04, 2017 10:14 am
Hear, Hear!Tim wrote:I have a suspicion that the rubber in tubes is being siliconised.
Patches just don't seem to hold these days.
No matter how carefully and properly I prepare a punctured tube the patches fail. They usually hold for a brief amount of time, 5 minutes, overnight, or a couple of days.
Glued or glueless, they nearly all fail.
I tried a Lezyne kit, patch and glue, thinking good quality might work but no luck.
I know how to repair a tube, been doing it since I was a kid, something has changed,
- Derny Driver
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Re: CO2 safe tube patches, suggestions?
Postby Derny Driver » Tue Apr 04, 2017 11:27 am
The solution to the problem is pretty easy.
#spendsthousandsonabikebutwontpayfivebucksforatube
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Re: CO2 safe tube patches, suggestions?
Postby RonK » Tue Apr 04, 2017 11:31 am
I have used the Lezyne glueless patches quite successfully. They work really well - I've even used them on tour to patch an air mattress.Tim wrote:IGlued or glueless, they nearly all fail.
I tried a Lezyne kit, patch and glue, thinking good quality might work but no luck.
Not so the ParkTools glueless patches, which failed repeatedly.
But how old were the patches? The Park Tools patches which failed had been in my toolkit for quite some time.
I now make sure to replace the patches in my toolbag each year.
- Tim
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Re: CO2 safe tube patches, suggestions?
Postby Tim » Tue Apr 04, 2017 11:56 am
Haven't tried Lezyne glueless, only their conventional patch and glue kit.
I still think the rubber in some tubes has changed.
Yeah I know, but I've patched dozens, if not hundreds of tubes in the past with a (near) zero failure rate.Derny Driver wrote:There's no such thing as a safe patch.
The solution to the problem is pretty easy.
#spendsthousandsonabikebutwontpayfivebucksforatube
I just don't agree with this throwaway, disposable culture we live in. A tube isn't much but I'd sooner repair anything than throw it.
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Re: CO2 safe tube patches, suggestions?
Postby MichaelB » Tue Apr 04, 2017 12:15 pm
Never had a problem. Good preparation though.
Meh
- Thoglette
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Re: CO2 safe tube patches, suggestions?
Postby Thoglette » Tue Apr 04, 2017 12:29 pm
Or do a Derny and throw'm after one use.
#myTyresAreWorthMoreThanMyBike.
"People are worthy of respect, ideas are not." Peter Ellerton, UQ
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Re: CO2 safe tube patches, suggestions?
Postby madmacca » Tue Apr 04, 2017 2:34 pm
Yeah, I've done thousands of km on a Lezyne patched tube. But good point on replacing patches that have been in the toolkit for a while.RonK wrote:I have used the Lezyne glueless patches quite successfully. They work really well - I've even used them on tour to patch an air mattress.Tim wrote:IGlued or glueless, they nearly all fail.
I tried a Lezyne kit, patch and glue, thinking good quality might work but no luck.
Not so the ParkTools glueless patches, which failed repeatedly.
But how old were the patches? The Park Tools patches which failed had been in my toolkit for quite some time.
I now make sure to replace the patches in my toolbag each year.
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Re: CO2 safe tube patches, suggestions?
Postby BJL » Tue Apr 04, 2017 3:50 pm
Do you think that's necessary for all patch kits or just the glueless ones? I always use the ones with glue and haven't had any issues over time (does the tube of glue in the kit go off?) but I do find that on the road bike, patches usually fail after a few months. I'm usually home by thenmadmacca wrote: Yeah, I've done thousands of km on a Lezyne patched tube. But good point on replacing patches that have been in the toolkit for a while.
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Re: CO2 safe tube patches, suggestions?
Postby RonK » Tue Apr 04, 2017 4:06 pm
Once the tube of glue has been pierced it's likely to harden, so don't expect it to keep too long.BJL wrote:Do you think that's necessary for all patch kits or just the glueless ones? I always use the ones with glue and haven't had any issues over time (does the tube of glue in the kit go off?) but I do find that on the road bike, patches usually fail after a few months. I'm usually home by thenmadmacca wrote: Yeah, I've done thousands of km on a Lezyne patched tube. But good point on replacing patches that have been in the toolkit for a while.
Otherwise I don't think the shelf life is limited.
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Re: CO2 safe tube patches, suggestions?
Postby defy1 » Tue Apr 04, 2017 7:26 pm
ye same, from ebay. never had a problem with CO2MichaelB wrote:I use cheap !! BAN ME NOW FOR SWEARING !! patches and cheap crappy glue and CO2.
Never had a problem. Good preparation though.
Meh
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Re: CO2 safe tube patches, suggestions?
Postby eeksll » Tue Apr 04, 2017 9:56 pm
does anyone else think the metal lezyne "rougher" sucks or is it just me? sandpaper seems to work better.
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Re: CO2 safe tube patches, suggestions?
Postby ironhanglider » Tue Apr 04, 2017 10:14 pm
I keep my glue in the freezer of my garage fridge. It keeps for months.RonK wrote:Once the tube of glue has been pierced it's likely to harden, so don't expect it to keep too long.BJL wrote:Do you think that's necessary for all patch kits or just the glueless ones? I always use the ones with glue and haven't had any issues over time (does the tube of glue in the kit go off?) but I do find that on the road bike, patches usually fail after a few months. I'm usually home by thenmadmacca wrote: Yeah, I've done thousands of km on a Lezyne patched tube. But good point on replacing patches that have been in the toolkit for a while.
Otherwise I don't think the shelf life is limited.
Cheers,
Cameron
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Re: CO2 safe tube patches, suggestions?
Postby Toyopet » Tue Apr 04, 2017 10:56 pm
After piercing my glue tubes, I wrap them in a few layers of gladwrap, clingwrap or similar.RonK wrote: Once the tube of glue has been pierced it's likely to harden, so don't expect it to keep too long.
Otherwise I don't think the shelf life is limited.
They last for ages.
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Re: CO2 safe tube patches, suggestions?
Postby Widget » Wed Apr 05, 2017 11:12 am
Not sure how long i've had the patch kit.. I guess it would be over a year now. The patches still look and feel to be in good condition though, and still quite sticky.. how can I tell if the patches have gone bad?
With just getting a new tube, I'm not one to chuck something that can be easily fixed, especially a puncture in a tube. If I can patch it, and it works.. then I can extend the life of said tube and save a couple of $.
Which patches and glue do you use ?MichaelB wrote:I use cheap !! BAN ME NOW FOR SWEARING !! patches and cheap crappy glue and CO2.
Never had a problem. Good preparation though.
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Re: CO2 safe tube patches, suggestions?
Postby Derny Driver » Wed Apr 05, 2017 11:53 am
Im not one to get a front wheel flat at 80kph descending Macquarie Pass, get stranded in the dark at night on a country road, or lose a club championship when a patch lets me down ...all for the sake of $5Widget wrote: With just getting a new tube, I'm not one to chuck something that can be easily fixed, especially a puncture in a tube... ?
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Re: CO2 safe tube patches, suggestions?
Postby eeksll » Wed Apr 05, 2017 11:56 am
Also I always use my patched tubes in the wheel, my spare tubes are always non patched "perfect" tubes. I just don't have a solid enough success rate to trust my patches.
I do that too as I have a box with a bunch of other type of glue etcironhanglider wrote:I keep my glue in the freezer of my garage fridge. It keeps for months.
However, I have also stored them like this for > 6 months and still worked fine.Toyopet wrote:After piercing my glue tubes, I wrap them in a few layers of gladwrap, clingwrap or similar.
They last for ages.
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Re: CO2 safe tube patches, suggestions?
Postby eeksll » Wed Apr 05, 2017 11:58 am
not sure you can unless its too far gone. Just replace, those lezyne patches are like $5 a kit.Widget wrote:Not sure how long i've had the patch kit.. I guess it would be over a year now. The patches still look and feel to be in good condition though, and still quite sticky.. how can I tell if the patches have gone bad?
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Re: CO2 safe tube patches, suggestions?
Postby uart » Wed Apr 05, 2017 2:02 pm
Not sure about the Lezyne one in particular, but yeah I hate those metal roughers (and they seem to be much the same in whatever brand kit I buy).eeksll wrote:does anyone else think the metal lezyne "rougher" sucks or is it just me? sandpaper seems to work better.
The first thing I do when I buy a new puncture kit is to throw the metal rougher and replace it with a square of nice strong 80 grit garnet paper.
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Re: CO2 safe tube patches, suggestions?
Postby uart » Wed Apr 05, 2017 2:15 pm
There's a lot of truth to this. With online prices for decent tubes often $5 or less (compared to $10 to $13 in shops), the economics of patching for long term use, rather than for just getting you home, is getting a bit tenuous. The glue and patches can cost two thirds the price of a new tube, and next time you need to use it the glue has hardened so you need to buy a new kit anyway.Derny Driver wrote:Im not one to get a front wheel flat at 80kph descending Macquarie Pass, get stranded in the dark at night on a country road, or lose a club championship when a patch lets me down ...all for the sake of $5Widget wrote: With just getting a new tube, I'm not one to chuck something that can be easily fixed, especially a puncture in a tube... ?
Back in the day of old clunkers running bigger heavier tubes at 70 PSI max in 1-1/4" tyres, it was more doable. Patches these days on narrow tubes run at 110+ PSI just don't always go the distance. If a patch blows off and you have to redo it a couple of times, then besides the inconvenience, you've probably spent nearly as much as a new tube just in patches and glue.
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Re: CO2 safe tube patches, suggestions?
Postby avolve » Wed Apr 05, 2017 3:02 pm
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Re: CO2 safe tube patches, suggestions?
Postby Derny Driver » Wed Apr 05, 2017 3:20 pm
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Re: CO2 safe tube patches, suggestions?
Postby uart » Wed Apr 05, 2017 4:03 pm
Really you're preaching to the converter here. I'll fix anything that is fixable to keep it going. One time I even turned the chainrings on my old beater around and installed then backwards to get some more wear out them when they started to slip! I'll bet you've never even heard of someone being such aavolve wrote:For some, it is not about the economic cost (to us — i.e. tubes being relative cheap), rather the environmental impact of throw and way and don't think about it...
And I've been a mad patcher. I'm probably the quintessential mad patcher. I've put patches on top of patches when I've need to. But my observations over the past few years is that patches on narrow high pressure tubes (18-23c in particular) just don't go the distance. It's a bike reliability issue more than an environmental one, and with the online prices of tubes these days I'm slowly coming around to Derny Driver's way of thinking.
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Re: CO2 safe tube patches, suggestions?
Postby human909 » Wed Apr 05, 2017 8:57 pm
They have less than a single tube. Yet will last for dozens of tubes. It sounds like you are trying hard to convince yourself.Derny Driver wrote:Im saving the environment by not buying tubes of toxic glue. Those patch kits have got that much plastic and crap in them I hardly see the enviro advantage in it.
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