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  1. #1
    Downtown Spanky Brown bautieri's Avatar
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    Need advice on rubber

    No, I don't need advice on those rubbers .

    I need some advice on my tires, Vittoria Zaffiro 700x23. This weekend while out and about I got 3 flat tires within 20 miles. Two on the way to a BBQ and one on the way to the post office. Both instances made me late for supper which angered the clyde gods.

    The first flat was due to a piece of wire, removed the offending wire, patched and pumped back up. (If you've never changed a road bike tire using the levers that you carry in your mobile repair kit I suggest you do so, I found my road bike tires to be much harder to get on and off the rim than my old mountain bike. 150 frame pumps later I was back in business, rode the bike around the parking lot where I changed it then was promptly greeted with another flat. This time the tube blew out right where the stem attaches. Tossed the old tube and installed a brand new spare that I carry with me. Put the tire back on and 150 pumps later was back on the road. On my way to the BBQ I stopped by a bike shop and picked up another tube and had my air pressure checked. New tube in seat pack I went to the BBQ and back home with no issues (15 miles). The next day I go for a ride to the post office to drop some mail before doing my little training loop. 1.23 miles from home (and 30 minutes before supper was supposed to come out of the oven) I get yet another flat. This one left a gash in my tire about 1/2 cm of which 1/4 when straight through the casing. Naturally this gash when through the new tube. Frustrated I call my wife who then proceeds to SAG me to the post office and back home. After supper I fix the flat which actually took 3 attempts as the tire kept hopping off the rim right about 110 PSI.

    My question: I used a piece of duct tape to cover the slash in the tire casing. It appears to be holding though I have not ridden it yet. In your opinion/experience will the duct tape suffice or is 1/4cm too large a gash to live with? Should I buy a new tire? If so what are your thoughts on tire liners? I've noticed they can get just as pricy as new as a new tire (sans slime which I don't want to use), would I be better off with a set of gatorskins or riding the present tires with liners?

  2. #2
    Triathlon in my future??? flip18436572's Avatar
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    I would buy another tire, but that is just me. I am going to start buying the $9.99 Nashbar tires, because I tried a 14.99 tire and it lasted as many miles as the last $30.00 tire, so I will just run the cheaper tires, as I can't feel the difference, and I am not a racer.
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  3. #3
    Senior Member
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    I ride michelin krylion carbon tires, havnt had a problem and ive rode straight over glass...it was that or ride into a car, so... Im sold on them. good ride, and a fairly light weight tire.

    If the duct tape works, I guess you could go with it, but duct tape wont take much to penetrate either.

  4. #4
    The Site Administrator: Currently at home recovering from a couple of strokes,please contact my assistnt admins for forum issues Tom Stormcrowe's Avatar
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    Duct tape is a temporary expedient repair to "get you home", or somewhere you can buy a tire. That's always been my take. It'll work, but the tire structure is compromised and you can't really run full pressure. If you have to do it, fine. Replace it as soon as possible, though.
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  5. #5
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    I like tires with kevlar belts. (I run panaracer pasela tourguards, there are other brands. I like the gumwall look...) I'm no racer; I have no pretensions to be, and well, I've got a lot more weight I could afford to lose than the wheels do. A couple weeks ago, I was riding along, and heard a click-click noise from the back. I stopped, and found a steel wire sticking out of the tread. It was hitting the brake caliper at every rotation. I pulled it out, didn't hear any air leaking, so I went on my way. That's worth 100 grams a wheel to me!

  6. #6
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    I replace any tire that has a hole through the casing that is noticeable from the inside. They may still hold air but they tend to bulge at the hole and will often develop a bit of squirm as a result. This policy tends to get a little pricey in the winter as there is tons of gravel/sand along the sides of the road so the glass is well disguised and often wet, wet glass cuts through rubber like the proverbial hot knife through butter.

    I use tire liners (Mr. Tuffies) on my commuter with 700*28 and on my winter beater that has 26*1.5, they are quite effective in my experience but they are harder to get lined up in narrower tires. They also add some noticeable weight to the wheel but it is a small price to pay for additional flat protection. Given enough time the liner will actually cause a flat as they have an overlap and the tube wears at that spot. If I go for 2 months without a flat I change the tube just as preventative maintenance.

  7. #7
    Senior Member jkemp9's Avatar
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    As far as rubber goes I usually buy the cheapest I can find and double wrap...
    Sorry, couldn't resist. I rode a rainy metric last weekend and got 4 flats. Then I bought ultra gatorskins. This may be a rookie mistake and I could just be buying into continental's marketing ploy and spending way too much on tires but it made my first metric a miserable one so I sort of bought them out of anger. The tires I had on during the metric were cheapos from last season. Hopefully the gatorskins will hold up a little better. Until I got a double flat at mile 40, I rode with a guy who has had a set of gatorskins for a couple years without a flat. They're real difficult to get on and off; I have a pair of park tire levers and thought I might snap one of them in half while mounting the new tire.
    Last edited by jkemp9; 07-29-08 at 09:59 AM.

  8. #8
    Senior Member Wogster's Avatar
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    Quote Originally Posted by bautieri View Post
    No, I don't need advice on those rubbers .
    My question: I used a piece of duct tape to cover the slash in the tire casing. It appears to be holding though I have not ridden it yet. In your opinion/experience will the duct tape suffice or is 1/4cm too large a gash to live with? Should I buy a new tire? If so what are your thoughts on tire liners? I've noticed they can get just as pricy as new as a new tire (sans slime which I don't want to use), would I be better off with a set of gatorskins or riding the present tires with liners?
    The tire should be replaced at your earliest opportunity,

    Here is what I suggest, get one new Gatorskin, put it on the FRONT, put the remaining good tire on the back, see how you like it, if the new tire works well for you, then when the rear tire starts giving you trouble, pick up a second one. Put the new one on the front, and the now old Gatorskin on the back, tires last a little longer that way, and you know you always have a good tire on the front, which reduces the chances of an unplanned OTB dismount, due to a blown front tire.

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