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quick questions about tubeless

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quick questions about tubeless

Old 05-14-07, 03:14 PM
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myalterego1388
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quick questions about tubeless

so i just got a bike with tubeless tires. i'm used to carrying around an extra tube and a pump for my old bike, but now i guess that isn't necessary anymore. so my first question is what happens if i do get a flat on my tubeless (i do have stans sealant in there but what if i get a major rip)? should i be carrying around an extra tire with me? also is there any reason to still carry a pump?
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Old 05-14-07, 03:18 PM
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AfterThisNap
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carry a spare tube for major fiascos and for friends, and there is ALWAYS a need to carry a pump.
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Old 05-14-07, 03:28 PM
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myalterego1388
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so if the tubeless tire goes flat i can put a tube in it?
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Old 05-14-07, 04:35 PM
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Originally Posted by myalterego1388
so if the tubeless tire goes flat i can put a tube in it?
You bet! just take out the tubeless valve stem and insert tube.
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Old 05-15-07, 06:47 AM
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I HATE tubless tires. I have them on my Cannondale and both have tubes in them. Hit anything hard , like a rock or root or log and they would pop the bead enough to leak and go flat. Plus I would have to bring them in to the shop to have them reseal them and pump them back up. Anyone ever try to seat a tubless tire with a hand pump? Anyway I am quite happy with tubes in them. I don't notice the extra few ounces of weight and they don't go flat anymore...
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Old 05-15-07, 06:52 AM
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Originally Posted by BHF
Hit anything hard , like a rock or root or log and they would pop the bead enough to leak and go flat. Plus I would have to bring them in to the shop to have them reseal them and pump them back up.
Gibberish

Originally Posted by BHF
Anyone ever try to seat a tubless tire with a hand pump?
Yes, I pump up tubeless tires all the time with a floor pump (both UST and regular tires sealed with stans). It does take 5 seconds of solid effort in the beginning though.


If you are running tubes anyway, why not just stick with regular tires. I think you would notice the difference vs. running a UST tire with a tube.
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Old 05-15-07, 07:08 AM
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Meh. It depends on the setup. The older UST combinations were a hassle, but the system has gotten better. I'm using stan's and it's a bear to setup, but I never puncture flat, and I've only burped when running my pressures too low.
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Old 05-15-07, 07:20 AM
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Originally Posted by AfterThisNap
carry a spare tube for major fiascos and for friends, and there is ALWAYS a need to carry a pump.

Make sure you have some good tire levers because some tubeless tires are difficult to get off the rim especially on the trail. If the sealant can not fill the hole then you will need to remove the tubeless nozzle and insert a inner tube.

I had Bontrager Jones tubeless and they were difficult to install but switched to Continental Explorers and they are no problem. My LBS was telling me that there are many differences between tire suppliers and sizing to the rims.
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Old 05-15-07, 07:57 AM
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Originally Posted by BHF
I HATE tubless tires. I have them on my Cannondale and both have tubes in them. Hit anything hard , like a rock or root or log and they would pop the bead enough to leak and go flat. Plus I would have to bring them in to the shop to have them reseal them and pump them back up. Anyone ever try to seat a tubless tire with a hand pump? Anyway I am quite happy with tubes in them. I don't notice the extra few ounces of weight and they don't go flat anymore...


The Tubeless rims have that problem in spades. Non-tubeless rims with non-tubeless tires run tubeless with a Stan's no-tubes conversion kit makes it very easy to seat the tire in the field when you need a tube which is very rarely. It's happened once in two years and that was because of a quarter-inch hole. The Stan's sealant couldn't plug it. I have since learned I could have gotten it to seal by pushing a little bit of cloth in the hole. You also save rotating mass since tubeless tires are heavy. My tube type weigh about 530 gms.

After about six months or so on Stan's, I got a set of Cane Creek Zonos wheels which have Bontrager tubeless rims. The Bontrager plastic rim strip made installing my tires (Ritchey Excavators) almost impossible. So I replaced it with the Stan's strip which made installation far easier. I run my tube tires tubeless as before. The tires are harder to seat now, but a little soapy solution helps a lot.

I carry a small vile of soapy solution in my tool kit. When I had to put a tube in a little while ago, had no problem seating the tire at all.

I run as low as 27 psi front and 29 rear and have never had a tire roll-off the rim even on rough technical stuff. For tube type tires run tubeless, that's a function of the tire. Some designs don't work well. The Ritchey's work perfectly.

Even with the Bontrager rims, I still don't have to use tire levers.

Al
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Old 05-15-07, 08:16 AM
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Originally Posted by Al.canoe
The Tubeless rims have that problem in spades. Non-tubeless rims with non-tubeless tires run tubeless with a Stan's no-tubes conversion kit makes it very easy to seat the tire in the field when you need a tube which is very rarely. It's happened once in two years and that was because of a quarter-inch hole. The Stan's sealant couldn't plug it. I have since learned I could have gotten it to seal by pushing a little bit of cloth in the hole. You also save rotating mass since tubeless tires are heavy. My tube type weigh about 530 gms.

After about six months or so on Stan's, I got a set of Cane Creek Zonos wheels which have Bontrager tubeless rims. The Bontrager plastic rim strip made installing my tires (Ritchey Excavators) almost impossible. So I replaced it with the Stan's strip which made installation far easier. I run my tube tires tubeless as before. The tires are harder to seat now, but a little soapy solution helps a lot.

I carry a small vile of soapy solution in my tool kit. When I had to put a tube in a little while ago, had no problem seating the tire at all.

I run as low as 27 psi front and 29 rear and have never had a tire roll-off the rim even on rough technical stuff. For tube type tires run tubeless, that's a function of the tire. Some designs don't work well. The Ritchey's work perfectly.

Even with the Bontrager rims, I still don't have to use tire levers.

Al
Sorry Al, Are you saying you have trouble seating the tire even when you put a tube in it?
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Old 05-15-07, 11:07 AM
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Al.canoe
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Originally Posted by born2bahick
Sorry Al, Are you saying you have trouble seating the tire even when you put a tube in it?
Yes, with out the soap solution. It's due to those tubeless rims and my tires. Did not have a problem with the non-tubeless rim with a tube and the same tires. Actually there was no problem seating the same tires with the Stan's kit and the tube type rims. You always of course have a problem first sealing (vice the final seating where the tire is fully engaging the rim over the full 360 degrees) a tube type tire with a Stan's kit. It takes an air compressor, though sometimes I can do it with a floor hand pump.



Al

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Old 05-15-07, 11:19 AM
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If you have tubeless, you can run tube as well. there is a 1% chance I guess with stan in your tubeless to be completely blow. But chances are if that is the case, you might have a tire cut and have to replace your tire asap as well. Carrying a pump won't hurt. I used to do that and now I carry CO2 for short trips but pump for long trips with many riders
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