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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.

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Old 02-05-13, 01:17 PM   #1
melvinator
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To many flats to count.

Hey everyone,

Honestly this has been the worst two weeks i have had in a over a year of riding ... I have not yet said hey i went for a ride and enjoyed it ... i havent had a flat all year until these two weeks were i got 5 flats yes 5 flats in less than a hour then wen to the bike shop and got both tubes replaced and i got another two flats ... is it its time for new tires?

Currently have vittoria rubino pros 25c tires with about 1000 miles on them roughly
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Old 02-05-13, 01:20 PM   #2
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Sounds like there might be an issue with the tire, like a tiny piece of something (glass, metal) punctured the tread and is still embedded in the tire, damaging every tube you put in there. I'd pull the tire and carefully run my finger along the inside of the tire and see if I could feel anything.

Seeing that it's both tires, it could also be that they are worn to the point where you are getting pinch flats because it's too flexible, but I am guessing there.

Funny, but I have a set of 28c Vittorios, with about 600 miles on them, and got an unexplained flat a few days ago. Just riding along, heard a pop sound, and it was flat. Nothing in the tire, no punctures etc.

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Old 02-05-13, 01:22 PM   #3
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the guy at the bike shop found a needle thin piece of metal in the back tire but then leaving the bike shop and almost home i got antoher flat on my front tire -_- maybe the wheel gods are angry at me .
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Old 02-05-13, 01:48 PM   #4
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It's time to check either the tires, or your rim tape. Where on the tube are the punctures?

Top of the tube = rim tape

Bottom or side = foreign object in tire

Snake bite = pinch
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Old 02-05-13, 01:56 PM   #5
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well i got a new wheel set a few weeks ago so i dont think its the rim tape but there was 3 on the outside (bottom of tube) and a few kind of on the side.
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Old 02-05-13, 02:20 PM   #6
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They tend to come in bunches. I've only had 4 flats ever and they were all within 2 weeks. Definitely inspect the tire and rim. It doesn't take much to pop a road tube. If the shop found a sliver of metal in a tire, its likely some other shards may be hiding out too.
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Old 02-05-13, 02:46 PM   #7
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What kind of rim tape do you have? If it's that cheap plastic stuff, change it. I was having the same issues and I was only checking my tires. I ran some cotton applicators that I "borrowed" from my wife's make up bag and found a little sliver of the cheap plastic rim tape poking up. Changed the tape to the fabric kind and it fixed my issue. If it's not the tape, run some cotton across the inside of your tire, and along the rim. It will snag on anything that might be causing it.

Or you can light a candle to the bike gods, offer up a Cliff bar, and ask for forgiveness for whatever you did to anger them.
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Old 02-05-13, 03:24 PM   #8
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I had to supplment my wife's rim tape - she had plastic but it was deformed into the spoke well and she was getting flats from the resulting dimples in the tube.

That velox cloth tape is awesome stuff... lasts forever.

I had a spate of 3 flats on one ride Christmas eve. I thought I found the source, thought I found it again... and it turns out there was a little wire shard sticking out of the tire into the tube area. I'm not sure if that caused my flat(s) but I chucked the tire and haven't had problems since.

If you don't ABSOLUTELY find the source of the flat when you change your tube, you are only inviting another flat.
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Old 02-05-13, 03:32 PM   #9
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the first one i got two weeks ago was a piece of glass the second through 4th one i couldnt find the issue and took it to the lbs after walking 3 miles on foot in my socks on the trail and they found the metal shard and the front one i have no idea what is was yet -_- and the front one has popped twice.... i will try to find out what it was today. its just odd to me how all of a sudden i am getting all these flats and i never got them before till now. the only thing that has changed is my wheel set and different tubes which have long stems for the deep v rims.
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Old 02-05-13, 04:47 PM   #10
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I was on a 200k rando ride and got 3 flats inside the first 10 miles once.

First one before I even left the parking lot at the start (carton staple ran over in the dark, in a puddle)
Second one was crazy, the core blew out of my valve stem, tinged off my rim and hit me in the calf like a dart.
Third one was sharp plastic leftover from a fender-bender at an intersection.

I don't know what bicycle deity I pissed off, but they had it out for me that day.
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Old 02-05-13, 04:57 PM   #11
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If you aren't already, line up the label on the tire with the valve stem. Helps to know where on the tire to pay special attention to find the cause of the puncture. Also tells you if you are getting recurring flats from the same area of the tire. I've gone a year without a flat and I've flatted 3 times in ten miles. Sometimes, they are out to get you.
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Old 02-05-13, 05:47 PM   #12
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I had a small pebble buried in the tread that caused several flats. You couldn't see it until you pinched the sidewalls together. Theres running the cotton ball inside the tire, the shape of the hole sometimes tells you what kind of problem. Theres a thread on that somewhere. Someone said to turn the tire inside out sometimes pops things loose. Just stuff I heard when I was in flat hell.
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Old 02-05-13, 06:07 PM   #13
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Quote:
Originally Posted by CliftonGK1 View Post
I was on a 200k rando ride and got 3 flats inside the first 10 miles once.

First one before I even left the parking lot at the start (carton staple ran over in the dark, in a puddle)
Second one was crazy, the core blew out of my valve stem, tinged off my rim and hit me in the calf like a dart.
Third one was sharp plastic leftover from a fender-bender at an intersection.

I don't know what bicycle deity I pissed off, but they had it out for me that day.
So that's what valve caps are for!

Seems like low miles, but the tires could be worn out. I had a pair of Continental Gatorskins (26") that were fantastic for puncture resistance, until they weren't. I think I only got about 500 miles out of them before the combination of my Clyde self, tiny shards of glass, and tiny triangular rock shards made it so I was constantly getting flats.

I gave up on the skinnier tires, not only did it make it so I couldn't hop a curb without pinch flatting (not something I do very often, but I like having the option), but the ride was really harsh. Now I run Panaracer T-Servs, Schwalbe Marathons, and Vittoria Rando Pros, and rarely get a flat. They are all well over 1000 miles and look hardly broken in.
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Old 02-05-13, 06:13 PM   #14
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Randomness is clumpy.
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Old 02-06-13, 07:17 AM   #15
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Quote:
Originally Posted by CliftonGK1 View Post
Second one was crazy, the core blew out of my valve stem, tinged off my rim and hit me in the calf like a dart.
Third one was sharp plastic leftover from a fender-bender at an intersection.

I don't know what bicycle deity I pissed off, but they had it out for me that day.
LOL holy crap how does that even happen! starting to feel better now
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Old 02-06-13, 07:21 AM   #16
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Quote:
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So that's what valve caps are for!
I gave up on the skinnier tires, not only did it make it so I couldn't hop a curb without pinch flatting (not something I do very often, but I like having the option), but the ride was really harsh. Now I run Panaracer T-Servs, Schwalbe Marathons, and Vittoria Rando Pros, and rarely get a flat. They are all well over 1000 miles and look hardly broken in.
Well the largest my frame accepts is 25c ... if i may ask how big are you? i am 276 this morning.... and do the tires you metioned run in 25?
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Old 02-07-13, 05:34 AM   #17
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Well the largest my frame accepts is 25c ... if i may ask how big are you? i am 276 this morning.... and do the tires you metioned run in 25?
I'm 275-280 right now. I honestly have no idea if any of those tires come in 700cc versions, I only ride mountain bikes and converted mountain bikes. Google should quickly supply the answers, the proper name for the Vittoria's are Randoneur Pro's, and I've been quite happy with the plain Schwalbe Marathons, although they come in a couple of other variants (Schwalbe Marathon Hyper, etc). Come to think of it, I think Panaracer may well make the T-Serv's in 700cc. The full name of the Panaracer's is "T-Serv Protex".
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Old 02-07-13, 07:15 AM   #18
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yeah i googled the tire as soon as i saw your post but i didnt see it in 700c thats why i asked Only saw it in 26inch
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Old 02-07-13, 08:23 AM   #19
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While anyone can have a streak of bad luck, clusters of flats usually mean something stuck in the tire or a defect like a protruding spoke or burr in the rim.

Get yourself a silver Sharpie marker. When you install your tubes put an arrow near the stem indicating the direction of rotation. Then be sure to install your tire with the label (or some people use the psi marking) in line with the stem as a reference point. When you get a flat, find the leak, mark it and realign the tube with the tire. Search very carefully for the cause. Tiny bits of glass or metal can be completely embedded in the rubber, only protruding enough to damage the tube as the rubber is compressed during each revolution under load. Turn the tire inside out and look for pinholes in the approximate location of the puncture, then investigate any pinholes using a small sharp point to see if there is anything in there. The cotton ball test is good, but can miss embedded bits.

Only once have I had a tire in which I couldn't eventually find the culprit (sometimes took a couple tries).
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Old 02-10-13, 11:52 PM   #20
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I second thee check your tires and the rim tape suggestions. Try this...Take a cotton ball or a cheap wash cloth and slowly move it through the tire when it's off the rim. It will let you know if there's something in the tire no matter how small. (Your LBS should have done this if you told them about all your flats but that's a different post). If the tire is good, change to a quality rim tape. I had armadillos that were going flat on me and it was the rim tape. By the way, size/weight is too often an excuse on these forums. I was riding 23's when I was +/-250 lbs and I kept my pressure to the max recommended and had no problems. BTW the armadillos were 25's.

Good luck.
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Old 02-11-13, 09:18 AM   #21
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alright so on my 60 mile ride this weekend i got 2 flats on about mile 40 i got fed up with it and the closest bike shop i stopped and told them to give me there best non carbon rim tape it was about 2$ a foot ... i wrapped the rims and off i went finished the last 20 miles and yesterday i did another 40 miles and have yet to have a flat (fingers crossed)
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Old 02-11-13, 02:43 PM   #22
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Melvinator this comment may or may not be applicable, but another thing to look at is tire pressures. If a person has a floor pump sometimes the gage on the pump is not accurate and we overinflate, causing blowouts. I don'[t think this is what happened to you, but for others reading in it is always a possibility.
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Old 02-11-13, 03:19 PM   #23
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Blowouts are usually easy to tell apart from punctures - a punture involves a hiss or sudden whoosh of air as the tire goes flat over a few seconds or minutes. A blowout caused by overpressure usually sounds like a shotgun being fired.

Quote:
Originally Posted by Medic Zero
I'm 275-280 right now. I honestly have no idea if any of those tires come in 700cc versions, I only ride mountain bikes and converted mountain bikes. Google should quickly supply the answers, the proper name for the Vittoria's are Randoneur Pro's, and I've been quite happy with the plain Schwalbe Marathons, although they come in a couple of other variants (Schwalbe Marathon Hyper, etc). Come to think of it, I think Panaracer may well make the T-Serv's in 700cc. The full name of the Panaracer's is "T-Serv Protex".
The correct name of the common tire size is '700C' not 700cc... 'cc' indicates a volume in cubic centimetres.

700C is the name the size of a wheel with a 622mm bead seat diameter. Back in the day there were 700A, 700B, 700C, and 700D wheels... all had a different bead seat diameter but were meant for use with different tires to give a nominal wheel diameter of 700mm.
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Old 02-12-13, 01:20 AM   #24
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Blowouts are usually easy to tell apart from punctures - a punture involves a hiss or sudden whoosh of air as the tire goes flat over a few seconds or minutes. A blowout caused by overpressure usually sounds like a shotgun being fired.



The correct name of the common tire size is '700C' not 700cc... 'cc' indicates a volume in cubic centimetres.

700C is the name the size of a wheel with a 622mm bead seat diameter. Back in the day there were 700A, 700B, 700C, and 700D wheels... all had a different bead seat diameter but were meant for use with different tires to give a nominal wheel diameter of 700mm.
That's what I get for posting from work at 3AM! We use CC to chart everything, and in my down time I was posting on bike forums and crossed my wires as it were...

Thanks for the history lesson though, always interesting to me!
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Old 02-12-13, 01:35 AM   #25
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I shouldn't have read this thread. I haven't had a flat on my commuter for 3+ years. Now I know one is coming in the very near future.
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