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Post by b16madman on Jul 13, 2009 9:00:15 GMT -5
I got two flats on Saturday just basic riding down the canal. Frustrated, out of spares and co2 cartridges I enjoyed the walk of shame to a friends house.
After getting to his house I noticed the inside of the lip of the rim has burrs on it. I must of rode a flat on some pavement or something in the past. I can't remember.
Is this worth filing down smooth again or will it always be an issue?
The bike is a haro mary xc 29'er and the wheelset is WTB Laser Disc Trail 29er. They look to be fairly expensive.
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Post by seenvic on Jul 13, 2009 9:38:04 GMT -5
I'd file it down first.
If it keeps up, well then it will always be an issue.
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Post by wooglin on Jul 13, 2009 12:22:36 GMT -5
Hard to picture burrs up there where the tire bead sits causing flats. Are you sure there's not something stuck in the tire? Or maybe the rim strip is wonky?
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Post by txr on Jul 13, 2009 14:00:06 GMT -5
When I got my new bike I had two flats on one ride at the Canal Trail. I feel your pain here. I was frustrated to say the least. I installed a no flat tube (the ones with sealant in them already). Also I went and talked with the good folks at Chain Reaction and they enlightened me on tire pressure. Doh!!! LOL. Get yourself a good floor pump with a gauge or a pressure gauge and make sure your tires are always at the proper pressure for your weight. Once they went through a little math they figured my optimal pressure and since then with a little diligence in making sure my tires were at proper pressure I have had no problems with flats.
Tom
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Post by Mark Y on Jul 13, 2009 15:50:30 GMT -5
I got two flats on Saturday just basic riding down the canal. Frustrated, out of spares and co2 cartridges I enjoyed the walk of shame to a friends house. After getting to his house I noticed the inside of the lip of the rim has burrs on it. I must of rode a flat on some pavement or something in the past. I can't remember. Is this worth filing down smooth again or will it always be an issue? The bike is a haro mary xc 29'er and the wheelset is WTB Laser Disc Trail 29er. They look to be fairly expensive. Are you absolutely sure you don't have a tiny thorn in the tire? Phil replaced a wheel I had bent a couple of times that couldn't be completely straightened, and when I went to get it the tire was flat. John Liebe was in the shop and grabbed it to help. When he took the tire off to replace the tube (assuming it was pinched), he found a tiny thorn poking through that didn't punture the tube until Phil's guys changed the wheel. No telling how long I had ridden around with it.
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Post by money on Jul 13, 2009 16:09:29 GMT -5
I was thinking along the same line as Mark Y. The only flats that I have gotten, were from thorns. Once was at the canal trails.
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Post by imnav8r on Jul 13, 2009 19:19:06 GMT -5
Here's a cool tip for finding thorns in tires. After removing the tire from the wheel, just lightly rub your fingers tips along the inside of the tire. If you use three fingers at a time and rub lightly, you'll find the thorn if it has punctured through the tire.
You can also use a cotton ball if you have one. You'll feel the thorn pull on the cotton if it's in there. And it will be easy to see since some of the cotton will snag on the thorn.
Take your time. Once found, remove with tweezers.
Many thanks to my friend, Phil Cohen at Chain Reaction Bicycles, for showing me this trick.
Be safe!
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Post by b16madman on Jul 14, 2009 11:44:13 GMT -5
Thanks for all the tips, but yes somehow I've managed to put metal burs on the inside of the rim (not where the spokes have the protecting band around them). My tire's virtually bald now from a good 2 yrs of riding so I'm going to go ahead and pay him a visit. We go way back anyway. Just didn't feel like driving all the way out there Thanks for all the feedback, I'll try and post some more.
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