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i think i need new tires.

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i think i need new tires.

Old 06-17-11, 09:29 AM
  #1  
aprevo15
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i think i need new tires.

i have a cannodale quick 6 which is use for commuting. yesterday morning on my way to work i got a flat on my front tire. i don't recall running over any glass or nails. it just went flat. i'm sure i ran over something.

this morning i got a flat on my rear tire. i had a flat on the rear tire on the first day i bought this bike (month and a half ago) so at the time i changed the tube with a heavy duty one. well this morning i ran over a pot hole and it went flat.

i have put around 1000 miles on these tires. my commute is 28 miles round trip and before i bought my road bike, i used this bike to go on 60+ mile rides on weekends. so is it about time i change the tires? the road to my work is really bad. its rough asphault (spelling) and a lot of pot holes. the rail road tracks are terrible too.
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Old 06-17-11, 09:36 AM
  #2  
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What pressure are you inflating the tyres to? It could just be a sign that the tyres are at too low a pressure and are getting pinch flats from the bumps.
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Old 06-17-11, 09:47 AM
  #3  
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Originally Posted by Monster Pete View Post
What pressure are you inflating the tyres to? It could just be a sign that the tyres are at too low a pressure and are getting pinch flats from the bumps.
i just pumped it up last night to max psi.

would the gator skin tires be more tough on the road conditions i endure?
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Old 06-17-11, 09:51 AM
  #4  
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+1 on pressure. I also cannot recommend strongly enough a set of good, flat-proof tires to take a lot of hassle out of your commute.
For me, a bike is only a useful vehicle if it can get me reliably where I need to go every time, without concern. Flats (no matter how easily they are fixed) are not part of my definition of hassle-free transportation.
Put sexy, fast, fragile tires on your road bike for weekend blasts if you like, but get a set of Schwalbe Marathons, Gatorskins, or somehting for your commute.
Just my 2c.
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Old 06-17-11, 09:53 AM
  #5  
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I ride rimbo tires.

I can get 3000+ miles out of a set.
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Old 06-17-11, 09:55 AM
  #6  
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thanks guys.

yeah rockfish, i think investing on a good set of tires that are flat proof (i know no such thing but you know what i mean) will be well worth it. now the question begins about whether i keep my tire size at 35 or go skinnier with 28 or even 25. i am leaning towards 28.
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Old 06-17-11, 09:56 AM
  #7  
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Originally Posted by Rockfish View Post
a set of good, flat-proof tires
I have yet to find a pneumatic tire that won't flat. I've managed to get a flat with every type of tire I've ever used. Ride it enough, and it will happen. I agree with your comment that you should ride tough tires for your commuting rig, but I confess that I did this at the thought of flat-proof tires.

Also, +1 on inflation as mentioned.
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Old 06-17-11, 10:05 AM
  #8  
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Originally Posted by jr59 View Post
I ride rimbo tires.

I can get 3000+ miles out of a set.
what size do you use and how do you feel about them compared to others?
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Old 06-17-11, 10:09 AM
  #9  
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Schwalbe Marathon Supreme tires here, waiting for them to arrive but I heartell they're awesome.

I have StopFlats2 liners in my tires, but haven't had a puncture yet that's penetrated the tire itself anyway. Mind you I ride on torn rusted metal, I destroy glass bottles, turn things that are flat into sharp and pointy objects, etc, on my Kenda Kiniption stock tires. Even at 45PSI I don't seem to have a problem; it's like running over a beer bottle in my car, nothing actually happens (I've taken out 750mL vodka bottles without an issue on Goodyear Assurance TripleTred tires).

So eh. Reseat your tires. Try brand new Schwalbe tubes if your tubes are all patched up (patches done properly are good, done poorly are weak). The like. Ask a good bike shop to inspect your setup and tell you if they see an error in seating or whatnot, maybe you did something wrong and they can tell you what.
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Old 06-17-11, 10:14 AM
  #10  
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i should also inspect my wheels for the spokes poking out right? that can cause a bit of a problem too i assume.
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Old 06-17-11, 10:19 AM
  #11  
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OK, OK, "flat-resistant" is more accurate! :-p Just wanted to distinguish those tires that have some sort of protective layer from those that don't.
As for size aprevo15, you say you run on bad pavement, so I can't see why you'd want anything but the fattest tire you can run.
Air is free, and it doesn't weigh much, so use as much of it as you can!
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Old 06-17-11, 10:32 AM
  #12  
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Originally Posted by Rockfish View Post
Air is free, and it doesn't weigh much, so use as much of it as you can!
exactly, the more I commute the more obsessive I get about keeping the tire pressure up.
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Old 06-17-11, 10:46 AM
  #13  
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Originally Posted by osephjey View Post
what size do you use and how do you feel about them compared to others?
I have used 23's, 28's and now the 35's

I'm a mileage junkie. I put ALOT of miles in every week (up to 650 a week)
I have tried other tires, some lighter and rode nicer, some that weighed more and rode like a stone.
All in all I keep coming back to the ribmos, dollar for dollar, mile for mile, feel for feel, I like them the best.

To me it's a trade off, I give up some of the GREAT feel, like the michelin pro's, for knowing that I won't have to worry much
about flats or changing tires every month.
The Marathon Supreme plus tires wear like iron. No flats and a bunch of miles, the trouble is, they ride like iron as well.

The gator skins didn't wear as well and rode about the same as the ribmos. Same with the armidillos from Speclized.

@ blue fox; If you have the stop flats and put on the Supreme tires, you can almost throw away your flat kit.

But you will have fun putting them on.

hope this helps
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Old 06-17-11, 10:52 AM
  #14  
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Originally Posted by Rockfish View Post
Air is free, and it doesn't weigh much
700c tire is 622mm diameter times pi gives circumference, times roughly a radius of 14mm (for 28mm internal diameter) for a circular profile of the internal air space, squared, times pi again, gives the total volume, around 0.0425 cubic feet.

0.0425ft^3 * 0.515 lb/ft^3 at 80F at 90PSI gives 0.219 pounds or around 3 1/3 ounces of air in 700c x 32 tires at 90PSI at 80F.

Also I've never had a flat, and have no clue how to fix it. Well, I've read about it, but never done it. XD

Also what do you mean, "Supreme Plus"? Do you mean the Plus




Or the Supreme





Also, as Schwalbe GMBH is a German company, I always pronounce it "Schvalbeh" o_O

Last edited by bluefoxicy; 06-17-11 at 10:58 AM.
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Old 06-17-11, 11:04 AM
  #15  
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Sorry I meant the plus!
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Old 06-17-11, 11:22 AM
  #16  
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Originally Posted by jr59 View Post
The Marathon Supreme plus tires wear like iron. No flats and a bunch of miles, the trouble is, they ride like iron as well.

@ blue fox; If you have the stop flats and put on the Supreme tires, you can almost throw away your flat kit.
I think you're mixing up two different tires here. The Marathon Plus are the tires which let you "almost throw away your flat kit". The Marathon Supreme is a completely different tire. It weighs about half as much as has a fairly nice ride feel. It still has very good flat protection, but nothing like the Marathon Plus.

Edit: I should have kept reading. I see this was already covered.
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Old 06-17-11, 11:26 AM
  #17  
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Originally Posted by bluefoxicy View Post
700c tire is 622mm diameter times pi gives circumference, times roughly a radius of 14mm (for 28mm internal diameter) for a circular profile of the internal air space, squared, times pi again, gives the total volume, around 0.0425 cubic feet.

0.0425ft^3 * 0.515 lb/ft^3 at 80F at 90PSI gives 0.219 pounds or around 3 1/3 ounces of air in 700c x 32 tires at 90PSI at 80F.


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Old 06-17-11, 11:40 AM
  #18  
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Find that the basic, and now improved Marathon, is about as much tyre as anyone needs unless they have to deal with goat heads... the M Plus offers more flat protection but it is a really heavy and sluggish tyre.

Use Schwalbe tyres on 5 of my bicycles with 3 of those being Marathons, 1 set of Hurricanes, and one set of Silento II tyres and have only had one flat over the past five years and this was on my 26 inch Marathons and this involved a thick chunk of glass as big as my thumb.

Even then, it only caused a slow leak and only put a small hole in my tyre.

The highest mileage Schwalbes I am running are my Hurricanes that have gone over 12,000 km without a flat and still look nearly as good as new.

You can expect to get 6000-12,000 km out of a set of Marathons depending on use... people who use them for touring will wear out their rear tyre much faster due to the higher loads it experiences.
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Old 06-17-11, 12:02 PM
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Originally Posted by Andy_K View Post
We have an emoticon for "...oh Christ now I have to Google this." ?
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Old 06-17-11, 12:17 PM
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Originally Posted by bluefoxicy View Post
We have an emoticon for "...oh Christ now I have to Google this." ?
Uhh....no. That's the emoticon for NNEEERRRRDDDD!!!!



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Old 06-17-11, 12:23 PM
  #21  
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I just recently got a set of Marathon Plus myself. Yes, they're excessively heavy. 1.6kg or so for a set, which is considerably more than most tires weigh. I haven't put enough mileage on them to know just how flat resistant they are, but I can tell you that the casing on those suckers is REALLY thick. From what I can tell so far, they do take a little more effort to spin up, but they don't seem to have any more rolling resistance than other tires I've owned. They're actually quite a nice ride, I must say. I'll take a little more weight and slightly slower acceleration for the peace of mind of not flatting.
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Old 06-17-11, 01:22 PM
  #22  
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Originally Posted by aprevo15 View Post
i have a cannodale quick 6 which is use for commuting. yesterday morning on my way to work i got a flat on my front tire. i don't recall running over any glass or nails. it just went flat. i'm sure i ran over something.

this morning i got a flat on my rear tire. i had a flat on the rear tire on the first day i bought this bike (month and a half ago) so at the time i changed the tube with a heavy duty one. well this morning i ran over a pot hole and it went flat.

i have put around 1000 miles on these tires. my commute is 28 miles round trip and before i bought my road bike, i used this bike to go on 60+ mile rides on weekends. so is it about time i change the tires? the road to my work is really bad. its rough asphault (spelling) and a lot of pot holes. the rail road tracks are terrible too.
Yeah, I'd say it's time for a new set. Get some Specialized Armadillos, Continental Gatorskins or Schwalbe Marathon Plus' and your flat-stress is pretty much over. Commuting/utilitarian tire needs are completely different from recreational/casual requirements. The idea is to eliminate as many variables in terms of commute delays as is humanly possible.

In the last five years I've had exactly 2 full-stop road emergencies. Both of them were rear tire/tube punctures. No mechanicals such as a broken chain or cable as I do my own maintenance and stay on top of all the necessary lube/adjustment requirements. Not bragging just pointing out the advantages of investing in top notch equipment starting w/a solid bike and then keeping up w/t comp wear.
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Old 06-17-11, 02:18 PM
  #23  
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Specialized All Condition Armadillo. Top the air off weekly and commute; 120 miles per week on the streets of San Jose, CA.

They are heavy, and you really feel it. They give piece of mind that there will be no repair work needed on route.
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Old 06-17-11, 02:28 PM
  #24  
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Originally Posted by bluefoxicy View Post
..., I always pronounce it "Schvalbeh" o_O
Thank you, thank you, thank you!!

I cringe when people try and correct me by saying it's pronounced "shwalbee".
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Old 06-17-11, 02:33 PM
  #25  
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Originally Posted by cryogenic View Post
I just recently got a set of Marathon Plus myself..... (snippage) I haven't put enough mileage on them to know just how flat resistant they are, and more snippage.
I have Schwalbe Marathon Plus's on two of my bikes, on one set I have over 8000 miles, on the other set just under 4000 miles, and have not had a flat on either bike since moving to SMP tires.
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