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03-04.-2008, 06:52 AM
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#16 | |
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Registered User
Join Date: May 2004
Location: Rome, Italy
Posts: 3,619
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Re: Tubless Wheel/Tire questions
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__________________
De Rosa Planet Campagnolo Per Sempre! PAOLO BETTINI CAMPIONE DEL MONDO x 2! 
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03-04.-2008, 10:13 PM
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#17 | |
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Registered User
Join Date: Apr 2005
Posts: 478
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Re: Tubless Wheel/Tire questions
Quote:
Like UST the rims will take either a tubless tire or a regular one. So for example you buy a set of Dura Ace wheels and you can still use regular clinchers. -brett |
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03-04.-2008, 10:29 PM
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#18 | |
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Registered User
Join Date: Apr 2005
Posts: 478
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Re: Tubless Wheel/Tire questions
Quote:
The one main study that has been done, showed that past 120psi you are actually increasing rolling resistance. Though theres a lot of debate I've seen about this outcome. Anyway how does that pertain to me? A lot of the racing I do is over country roads where the surface is crushed gravel. If I run my tires at 120-130psi (which is my preferred pressure on nice smooth roads) I find I finish races (~160km) with my body just numb and aching. At 100psi I find the ride far more comfortable, unfortunately hitting a hard pot hole edge at that pressure (even a small one) will often give you a pinch flat in a clincher, not a problem in tubeless. Please don't tell me to not hit the pothole. Racing in the middle of a peloton of 60+ riders often you've got no idea whats coming in front of you. So in my circumstances I see that as an advantage. The other advantage is that small objects penetrating the tire in a tubeless (like radial wire for example) that result in a slow flat in a clincher, don't generally deflate a tubeless, ymmv. --brett |
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03-04.-2008, 11:19 PM
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#19 | |||
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Registered User
Join Date: May 2004
Location: Rome, Italy
Posts: 3,619
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Re: Tubless Wheel/Tire questions
Quote:
Quote:
Quote:
__________________
De Rosa Planet Campagnolo Per Sempre! PAOLO BETTINI CAMPIONE DEL MONDO x 2!
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04-04.-2008, 08:37 AM
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#20 |
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Registered User
Join Date: Aug 2006
Location: Huntsville, AL, USA
Posts: 658
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Re: Tubless Wheel/Tire questions
FYI, there is a glowing review of tubeless tires in this week's RBR email:
www.roadbikerider.com/currentissue.htm |
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04-04.-2008, 02:44 PM
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#21 | |
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Registered User
Join Date: Apr 2005
Posts: 478
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Re: Tubless Wheel/Tire questions
Quote:
Because you usually run 'sealant' in them. It's not absolutely necessary in the DA system. Small item penetrates the tire carcass, sealant goes out of the hole and seals it. You can have this in tube systems as well, but I've never had much success with it to be honest (other than the Tufo stuff in Tufo tubs). Ultimately the only thing stopping me converting more wheels to it, is: a) Racing crits I find the lower pressure a bit 'squirrely' for want of a better word. Maybe it's all in my head but I don't feel as confident or stable high speed cornering on a technical circuit on them. So for crits, clinchers (or tubs on my carbons it is). b) No tire selection. There's one readily available product. And for people here in Australia, readily available = ordering over the internet from biketiresdirect. IRC has got some up on their japanese website (looks like the english one has got a squatter on it): http://www.irc-tire.com/bc/ but i haven't seen any of these online for purchase. --brett |
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