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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 02-20-12, 03:07 AM   #1
Barnabas
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Tubular vs Tubes...and sizing help

first i have these rims for my bike:
http://www.sun-ringle.com/product-va...ad-rims/venus/

my friend gave them to me as a gift. They had Pariba by Vredestein Pro Course tubular tires on there (etrto 23 x 622)... not sure what that means but the other number is just PSI

Well i got my first flat ever, (thorn right through).
First question can i fix it???
If not, should i stick with Tubular or get tire+tubes? i know its preference but i want to know yours and why. (what do you find to be cheaper in the long run)
and...finally
I am looking at tires, not sure what size to buy 700x23? or.... you tell me

thanks for the help in advance! (sorry if this is posted in the wrong place)
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Old 02-20-12, 06:52 AM   #2
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The rims look like clincher rims for tires and tubes. I am unable to find information on the tires you've named but I'd be educated if someone managed to mount tubular tires on those rims.
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Old 02-20-12, 09:04 AM   #3
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The rims your link references are definitely clinchers and should use clincher tires and inner tubes, not tubular tires. If they came with tubulars, it was a mistake.

ETRTO (European Tire and Rim Technical Organization) is the group that defined the modern standards for bicycle rims and tires and brought order out the the former chaos that existed in the past. "622" is the bead seat diameter in mm of a "700c" rim and "23" is the width of your tire in mm. If the tires on your rims tires were marked 622x23 is is highly likely they were clinchers, not tubulars anyway. So, yes, your replacement tires should be 700x23 clinchers and suitable size tubes.

Tubular tires do exist and are still used by many pros and serious riders but they require a lot of technique to properly mount (glue) them to the specifically designed rims (not the ones you have) and are very difficult to repair if they get a flat. Also, good ones are expensive. Tubulars are the expert's and dedicated user's tires.

Clincher tires and separate tubes are by far more common, can be less expensive and are much easier to mount and repair. I recommend you have either your friend or a bike shop show you how to remove, repair and reinstall a flat tire as this is an essential skill for any even half-serious rider.
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Old 02-20-12, 12:00 PM   #4
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ETRTO was to get tire rim beads to fit on rims by another company,
since sewup tires have no bead they would not have an ETRTO marking,
Thus, those must be wire on not glue-on tires and rims.
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Old 02-20-12, 12:54 PM   #5
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Hey guys, thanks for all the feedback. I thought they were tubulars because they looked like it (because on the side of the wheel near the rim was fabric like another tubular i've seen.). I did what i should have done prior by taking tire off. and found YES they are clincher tires. So i found the thorn in the tire itself. is it okay just to pull that out?
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Old 02-20-12, 12:56 PM   #6
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Originally Posted by Barnabas View Post
Hey guys, thanks for all the feedback. I thought they were tubulars because they looked like it (because on the side of the wheel near the rim was fabric like another tubular i've seen.). I did what i should have done prior by taking tire off. and found YES they are clincher tires. So i found the thorn in the tire itself. is it okay just to pull that out?
Yes, then patch the hole in the tube and you can reuse it.
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Old 02-20-12, 01:00 PM   #7
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Ahh and last question, better to repair a tube or just get a new one all together? I love to save money as much as the next guy, but if repairing it is only going to be temporary, then i'd rather save me the time
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Old 02-20-12, 02:46 PM   #8
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Ahh and last question, better to repair a tube or just get a new one all together? I love to save money as much as the next guy, but if repairing it is only going to be temporary, then i'd rather save me the time
Vulcanized (not glueless) patches are permanent and not time consuming.

Your tube is narrow, so you will need small (16 mm) patches. Unfortunately, most patch kits come with larger (25 mm) patches. You lie the tube flat, when you are sanding, applying the glue and patch. The larger patch will extend over the tube's edge. The narrow patch won't.

The key to getting a quick permanent patch, is to thoroughly clean (sand) the tube, apply a very thin layer of glue and wait for it to completely dry (without blowing on it) before applying the patch.
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Old 02-20-12, 02:58 PM   #9
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Ok, now the confusion is cleared up. You have clincher tires. Many clincher tires (especially older ones) had the fabric sidewalls. The ONLY tires that are tubular tires are the ones that are glued onto the rim and have no beads.

Patching tubes is no big deal. If you're looking to save money, that's the way to go. I would buy a new tube, but patch the tube you have and carry it as a spare. You also have a frame pump and tire levers in case you get a flat far away from home, right? If not, get that stuff too. Walking beside a disabled bicycle for 5, 10, 20 miles is no fun.
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Old 02-20-12, 03:20 PM   #10
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On my one bike with clincher tires I always carry a spare tube, and switch tubes on the road. Then I patch the tube at home and that becomes the spare. If you're an every day rider, it's probably best to have a few extra tubes because every once in a while you'll get non-repairable cuts. While you're at it, you might also buy one spare tire for the same reason.

Since my bike is a commuter, I keep 1 spare tire and 2 tubes each at both work and home so I'm covered in either direction.

If you're a more casual rider and can live without a bike for a few days, there's no need for in depth back up, but 2 spare tubes makes sense.
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Old 02-20-12, 03:34 PM   #11
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Looks like tubulars but are not, wonder why have that white tape in there. Are those like tufo tubular clinchers??

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Old 02-20-12, 06:28 PM   #12
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Walking beside a disabled bicycle for 5, 10, 20 miles is no fun.
Actually that is rarely done these days. A cell phone call is all it takes to convert your problem into someone else's problem!
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Old 02-20-12, 08:07 PM   #13
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Thanks everyone! lots of help, especially about patching the tire - SBinNYC; and ultraman, yes those are my tires, i saw the cloth part and was like oh tubulars..okay never had those before. but they ARE clinchers
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Old 02-21-12, 01:21 PM   #14
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I never seen them before either, dont like the brand either
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Old 02-22-12, 05:11 PM   #15
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I never seen them before either, dont like the brand either
what's a good one you would recommend that wont break the bank?
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