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Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

Walk of shame

Old 08-05-14, 04:24 PM
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Walk of shame

So the other day I went for a 15 mile ride and had a flat at about mile 8 that I changed out with the spare tube that I carry. Now today I was getting ready for a ride and realized that I hadn't got a replacement tube, but thought I just put that one on, it should be fine. Needless to say famous last words. When I was about 5 miles from home, just after my turn point, it happened. Was pedaling up a hill and felt the rear getting loose and sure enough the wheel was done by the top of the hill. I got to walk 1.5 miles with bike in tow before a friend was able to get out and pick me up and get me home. Needless to say i won't be going for a ride anytime soon again without a spare. Now, how would tires keep going flat from a small puncture on the inside of the tube, but the location that the puncture is in is not showing anything breaking through the rim tape or anything there at all? Thanks for the help.
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Old 08-05-14, 04:29 PM
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I always carry 2 tubes and 5 one dollar bills.. The dollar bills can be used as an emergency tire boot or for bus fare..

Pinch flats are common. Should be 2 small punctures that look like a snake bite or perhaps you had something penetrate the tire just enough to puncture the tube but not stick / stay in the tire..

Also, check the tire carefully.. I've had several instances where I thought the tire was clear of debris only to get another flat. Closer inspection reveled the culprit still in the tire but it would only protrude under pressure causing it to penetrate the tube..

Last edited by raqball; 08-05-14 at 04:32 PM.
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Old 08-05-14, 04:31 PM
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Something is there, either lodged in the tape or in the tyre. It's possible that the tube is twisted so what you think is the inside is, in factthe outside. Or there may be a little shard of alloy protruding from the rim.

Risk lacerating your fingers by running around rim, tape and the inside of the tyre. You'll find it.
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Old 08-05-14, 05:26 PM
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Or try a cotton ball... it'll snag on anything and your fingers will be safe. You know it's something, so unless you like changing flats, you need to find it. I've been known to replace a tire if I can't find it.

Yup, my standard load-out is 2 spare tubes, a patch kit, a park boot or two and 3 CO2 AND a small frame pump.
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Old 08-05-14, 05:32 PM
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Originally Posted by TrojanHorse
Or try a cotton ball... it'll snag on anything and your fingers will be safe. You know it's something, so unless you like changing flats, you need to find it. I've been known to replace a tire if I can't find it.

Yup, my standard load-out is 2 spare tubes, a patch kit, a park boot or two and 3 CO2 AND a small frame pump.
+1 on the cotton ball.
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Old 08-06-14, 10:20 AM
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Check your rim tape carefully. If any part of a nipple hole is exposed you will flat. It helps when mounting tires to line the valve stem up with the label, that way when you ffind the puncture you know where to inspect the tire. Flex it inward may show you the source of the puncture. I have had very small rock shards and radial wires cause flats before. They are hard to find and hard to remove. Keep looking until you find the cause because there is one. Tubes just do not go flat without a pinch or puncture.
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Old 08-06-14, 10:52 AM
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Invert the inside of the tire to help find small objects, such as pieces of staples and wires from shreded tires.
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Old 08-06-14, 11:43 AM
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When you mount a tire, place it so the label or some other distinguishing mark is at the valve. Then, when you flat, find the tube puncture, go to the corresponding area of the tire to find what caused the flat.

I've done one walk of shame in my life. It was when I was out after dark, in the winter, when it was 38 degrees with a steady light rain, and I was about a half mile from home. My hands were already two blocks of ice. Any farther, I would have HTF-upped more and changed it. Walking the bike home was easier, even in cleats.

It was nice to change the tire in a heated, well lit basement.
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Old 08-10-14, 10:01 AM
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So, i tore everything apart after I got new tubes and some cotton balls and checked the tire and the wheel for anything sharp that could puncture the tube and found nothing. So I mounted up a new tube and will be giving it a try today and if I get another flat I think it will be time to get a new tire. I am looking at getting some road tires for my bike for now since 3/4 of the miles I have road so far have been road miles and not off road miles. Wish me luck on my next ride later today.
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Old 08-10-14, 10:17 AM
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Check you rim tape and anywhere the rim and tub come into contact with each other. It sounds like there is something embedded in the tire itself. I always mark how the tube comes out of the wheel when repairing or changing a flat. This way the location of the offending "thing" is generally narrowed down. Carrying a patch kit, usually try to repair a tube on the road side instead of using a new tube. This means pumping up the tire a little to find the hole and that is usually enough to find the goat head, auto tire tread wire or whatever. A small pair of finger nail clippers works great for getting the stuff out of the carcass and then off down the road I go.

A patch kit is cheap and small. Road side repair is usually on the order of 5 minutes and there are about 10 patches per kit. That is like carrying 10 tubes.
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Old 08-10-14, 03:39 PM
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Originally Posted by klmmicro
Check you rim tape and anywhere the rim and tub come into contact with each other. It sounds like there is something embedded in the tire itself. I always mark how the tube comes out of the wheel when repairing or changing a flat. This way the location of the offending "thing" is generally narrowed down. Carrying a patch kit, usually try to repair a tube on the road side instead of using a new tube. This means pumping up the tire a little to find the hole and that is usually enough to find the goat head, auto tire tread wire or whatever. A small pair of finger nail clippers works great for getting the stuff out of the carcass and then off down the road I go.

A patch kit is cheap and small. Road side repair is usually on the order of 5 minutes and there are about 10 patches per kit. That is like carrying 10 tubes.

Yep. I carry one tube and one of those Park Tools patch kits that's about the size of a postage stamp when I'm riding clinchers. Most of my bikes have tubulars on them. I use Tufo tubeless tubulars that have no tube in them. Any typical puncture is handled by the sealant and with tubulars, snake bites are just about impossible to get anyhow. I get about 1200-1500 miles per tire and for the last three years, I've not gotten a flat until the tire is worn down to the cords. Who knows how many thorn or other punctures I've gotten? The sealant takes care of it.

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Old 08-11-14, 11:46 AM
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the real walk of shame is when you break a spoke and have to hobble home. especially in bike shoes
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Old 08-11-14, 01:41 PM
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upgrade your rim tape for sure, it's one less thing to worry about, plus wouldn't you hate to replace the tire only to get another flat?
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Old 08-11-14, 06:59 PM
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Originally Posted by Black wallnut
Check your rim tape carefully. If any part of a nipple hole is exposed you will flat.
+100000000000 on this one. I had just put on a new wheelset and the rim strip was a little off and I kept having flats right around the stem of the tube. Even though it did not look that bad, I remove the rim strip and re-placed it. Since then, I have not had an issue.
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Old 08-12-14, 11:39 AM
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This is also a good reason to put a small patch kit in your saddle bag. When I get a flat, i patch it and then install my spare tube. The patch can cure until the next flat or i replace it the old tube entirely.
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Old 08-12-14, 05:23 PM
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Went out on Sunday with a new tube in and got a 6 mile ride with out any problems. Went out today for about the same ride, still making sure the new tube and everything was good before venturing very far from my home. Coming back in and about to finish up on a long slight up hill and it struck again, another flat. I felt it right after I turned about a mile from the house and within a minute I was out of air. So I decided to walk it home and I will be taking it to the bike shop tomorrow to have them check everything out on it and try to find why it keeps going flat. I am fairly sure that its not pinch flats because this is a 29" mountain bike and i air the tire to 50 psi before i start riding. The other two where just small single punctures on the inside of the tube. I didn't break this one down so that the bike shop can check in the area that the flat is in to find what keeps leaving me stranded on the side of the road. In good news there was a guy going by on a Specialized bike that slowed and made sure I was ok and seeing if I needed any help. Will fill in when i get word from the bike shop on what is wrong.
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Old 08-16-14, 12:46 PM
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If the rim tape is in place and there are no weird spoke issues, take the tire and carefully feel the insides of the whole thing: Literally slide your fingers over the entire interior surface of the tire to check for tiny shards of metal or rock that are damned near invisible. Then, when you remount the tire with a new tube, carefully examine both sides of the tire, where it meets the rim, pulling the tire away from the rim just a bit, to search for any sign of tube sticking out. If you find nothing, inflate, preferably to the tires max pressure. Yeah, the ride may suck a bit but live with it until you've solved the flatting problem. Afterwards, you can dial down the hardness.

Oh, one last thing: if you're riding in the city, over the usual curbside crap, consider putting some Kevlar tires on — Gatorskins or the like.
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Old 08-16-14, 02:03 PM
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Originally Posted by chasm54
Something is there, either lodged in the tape or in the tyre. It's possible that the tube is twisted so what you think is the inside is, in factthe outside. Or there may be a little shard of alloy protruding from the rim.

Risk lacerating your fingers by running around rim, tape and the inside of the tyre. You'll find it.
Yep. Always check the inner lining of the outer tire after a flat. Odds are a wire bit or piece of glass is lodged in there.

BTW, ever since I switched to Kevlar tires I haven't had a flat--2,000-3,000 miles at least.
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Old 08-16-14, 03:23 PM
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I got the tire back from the shop and they replaced the rim tape on it. The tire is a 29'er and when I am riding on the street I keep it fully inflated to 50psi. Hopefully I will be able to get out and get a ride in tomorrow to see if that took care of the problem or not. I will provide another update after I get a couple rides in. Thanks for all of the input.
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Old 08-16-14, 04:29 PM
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Also check the tire very carefully. I had a very small hole/cut in my rear tire, and the tube would bulge into it and pop.

Really should've bought marathon supremes earlier.
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Old 08-17-14, 04:44 PM
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Just got a light 15 mile ride in and there were no issues. That being said it was a gravel ride with a little bit of single track as well so I am feeling pretty good about the rear wheel now after that.
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