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Old 05-11-06, 02:16 PM   #1
jm1320
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Puncture resistant tires?

I use my mountain bike for about 50% off road use and 50% commuting. About every few weeks glass seems to work its way through a hole in my tire caused by a nail and punctures the tube. Each time I take it to the bike shop I get them to replace the tube and patch the hole. I have had to do this about 4 times now in the past 2 months. I am finally fed up and am ready to get a new tire. Does anyone have any recommendations for me on what tires would provide the best puncture resistance? I would appreciate if ya'll could give me specific tires to look at. Also, do I want a tire that has a high tpi or a low tpi and does the weight matter as far as how strong the tire is or does that just matter for how fast or slow you want to go?

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Old 05-11-06, 02:45 PM   #2
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tire slime?
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Old 05-11-06, 11:53 PM   #3
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I don't know it they have enough tread for you, but my serfes drifters with puncture resistant tubes have gone flat free for over a year. Over 1500 miles since january 1st. They roll better than the continental town and country I used to have. I used to use slime in my tubes, but no longer use it with the thick tubes I have now. I run over glass fairly often. the serfes tires just crunch it up and spit it out. Almost never find any slivers of glass in my tires when I inspect them. None of my LBS sell Schwalbe Tires or I would check out their Marathon Line. Supposed to be flat proof. They make the marathon in several different tread styles.
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Old 05-12-06, 05:06 AM   #4
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Quote:
Originally Posted by jm1320
About every few weeks glass seems to work its way through a hole in my tire caused by a nail and punctures the tube. Each time I take it to the bike shop I get them to replace the tube and patch the hole.
I'm a bit confused: when you wrote that glass works its way through a hole caused by a nail, do you mean the same hole? If so, patch it with something like ShoeGoo.

Do you pay attention to road conditions, to avoid glass and other problems?

Consider tires with a Kevlar belt under the tread. Knobby tires will provide some protection because glass won't reach up into the tread area.

You should also learn how to do your own tire/tube work--it's the simplest of all bicycle repairs.
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Old 05-12-06, 05:12 AM   #5
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http://www.no-flats.com/movies.php
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Old 05-12-06, 08:09 AM   #6
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Quote:
Originally Posted by carlton
I don't know it they have enough tread for you, but my serfes drifters with puncture resistant tubes have gone flat free for over a year. Over 1500 miles since january 1st. They roll better than the continental town and country I used to have. I used to use slime in my tubes, but no longer use it with the thick tubes I have now. I run over glass fairly often. the serfes tires just crunch it up and spit it out. Almost never find any slivers of glass in my tires when I inspect them. None of my LBS sell Schwalbe Tires or I would check out their Marathon Line. Supposed to be flat proof. They make the marathon in several different tread styles.
How did the slime work out? I've had excellent results in automotive applications, but the bike type looks differnt, less or no rubber chunks. I'm innerstid as it should be cheap and easy.
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Old 05-12-06, 11:14 AM   #7
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Personal slime experience :-/
26in 1.9 street tires
I never wanted another flat.... So when slime said add 2 oz why not add 4?
Seemed to work fine for awhile. After my bike sat for a couple weeks on the next
ride the mass of slime was creating an "out of round" sensation. Worse at higher speed!
Plus tires were too Heavy.
So next trick. Used slime tire liners, an old tube with the stem cut off, then a tube one
size smaller than tire size calls for. Then 1 oz slime. Much better. I fiqure glass, nail, thorn
etc has to go thru tire, liner, and 2 sides of old tube to get to *reduced slime tube. It
lighter and doesnt have the "out of round" problems.

300 miles no flats (or I havent found the mother of all thorns)
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Old 05-12-06, 11:23 AM   #8
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Ewwwwwww out of round baaaaaad. It's raining now and might not stop for a week or two.
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Old 05-12-06, 03:17 PM   #9
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Knudson
There isn't near the volume of air in a bike tube as there is in an auto tire. As the slime starts to exit the tube via the puncture it starts to coagulate. After a moment it seals off the leak. Sometimes this moment is all it take for a bike tire to have lost all of its air. Leaving you with a flat plus slime slung all over you and the bike. Sometimes it will seal the hole before going flat, but still leave you with a tire to low on air to ride. So you still need a way to air up the tire. I think slime will help somewhat, especially with very slow leaks. But I don't think it is near as good as puncture resistant tubes and good tires.
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Old 05-12-06, 04:28 PM   #10
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Originally Posted by Knudsen
tire slime?
Complete waste of time, gimmick.
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Old 05-12-06, 05:47 PM   #11
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I will never ever use slime again ever....it leaves green goo in my pump ( ruined a carbon frame pump by plugging the internal valve) and it leaves goo fiber/residue in the shrader or presta valve that causes a slow leak. In the event of a pinch flat, the tire still flats very quickly, it fills the tire with goo, oozes through the rim liner, and a patch won't stick to the "gooed" tube. I have flt free since upgrading to Continental Ultra Gatorskins on my road bike and Continental Travel Contacts on my ATB and Michelin Airstop tubes on both......
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Old 05-12-06, 07:35 PM   #12
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Quote:
Originally Posted by caotropheus
Knock-off of Stan's tubless system I think the name is. works great for mountain biking, but the tires are only suppose to be inflated to a max of 40 psi. Good for off road but pretty low pressure for commuting.
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Old 05-12-06, 08:05 PM   #13
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Quote:
Originally Posted by jm1320
Does anyone have any recommendations for me on what tires would provide the best puncture resistance?
Mountain bike tires are usually pretty puncture resistant on their own, due to the thickness of the tread. There are some that are more puncture resistant than others, but nothing is puncture proof. You can try one of the tires with the fancy puncture resistant belt, but there's no guarantee. Maybe you should try some tire liners?
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Old 05-18-06, 09:08 AM   #14
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Armadillos... I rode 'em 3000 miles before having to replace them. Not one flat. This is in NYC too.
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Old 05-18-06, 10:07 AM   #15
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I use Schwalbe Marathons for my commute. They are fairly well protected with a kevlar band and thick rubber but no tyre is 100% puncture proof. They do stop shards of glass and most flint shards but bent nails, thumb tacks and other metal wire stuff gets through.
The price you pay for toughness is in weight and rolling resistance. The Marathon Plus is a much tougher design with an extra layer of stuff but it too much for my needs. It is also much harder to mount on the rim.
Dont bother with TPI, an premium brand tyre will have the thread count that it needs. Do keep an eye on weight when comparing different tyres.

For on and off-road riding, a 1.5-1.75" semi slick is probably the best design. You need a continuous rolling surface rather than separate knobbles.
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Old 05-18-06, 10:17 AM   #16
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Bontrager Race Lite Hard-Case tires, 700X32. Been riding on them for three months and I'll say they're tough and zippy, but at 110 psi I get to feel every bump. Worth it for the piece of mind, though.
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Old 05-18-06, 10:23 AM   #17
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There really is no such thing as a completely puncture resistant tire unless the tire is just solid rubber, then with that the weight penalty will be a nightmare.
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Old 05-18-06, 10:42 AM   #18
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Anything with a kevlar belt will be pretty good, the more extreme options (especially armadillos) tend to sacrifice ride quality. Might not be as big of a deal for MTB commuting, but lots of road/fixed gear people I know have tried them in 700cx23 or 25 and decided they were just too stiff.

Kevlar isn't puncture-resistant, just tough. It stops bullets, not knives. The best thing you can do is go over your tires about once a week with something sharp (a sharpened spoke is good) and pick the glass and other crap out of the tiny little cuts. This is easier with it deflated, as you can pinch the tread up to get the cuts to open a bit. Stuff like that working its way through over time causes most flats not of the "oops, totally didn't see that broken corona bottle bottom" variety. It's really amazing how much crap you can dig out of a commuter tire that has never had this done. Also, it's a good idea to do this outside or somewhere that people don't walk barefoot, as you will drop about half of the stuff you dig out.

Ditto to what was said above about tire slime, it's pretty useless for anything but tubulars.
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Old 05-18-06, 11:38 AM   #19
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+1 on the Armadillos.
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Old 05-18-06, 12:11 PM   #20
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Panaracer Flataways. 10 a tyre over here, so I assume $10 over the other side of the pond. No flats for 2500 miles.
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Old 05-18-06, 12:18 PM   #21
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They seem confident:

http://www.nomorflats.com/

So do a lot of people who want your money
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Old 05-18-06, 12:41 PM   #22
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+1 on the Armadillos I ride over glass and goatheads pretty much every day and haven't had a single problem with them so far.
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Old 04-25-08, 02:06 PM   #23
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Used Slime many years ago and it's ok up to a point. However, if you get a puncture that's to wide for the slime to seal, when you remove your tyre to repair the tube any the smaller punctures that the slim has sealed over time re-open and you end up having to ditch the tube or patch them all.

I have been riding Bontrager Satellite Elite Hard Case on my mb for past two years (about 5000 miles) and only two punctures (used to get a puncture about once a month with my old tyres). Pretty reasonable as well - about 15 each compared to some puncture resistant tyres. Now that the tyres are starting to wear I'm thinking of swapping them out with something a little quicker, any suggestions?
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Old 04-25-08, 03:21 PM   #24
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I've heard that the Specialized Armadillos are really tough!
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Old 04-25-08, 04:21 PM   #25
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Quote:
Originally Posted by operator View Post
Complete waste of time, gimmick.
I'm not so sure.

I personally HATE it but, like you, I don't live in the goat head thorn belt. The bike mechanics who I've talked with from the Southwest US swear by it.
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