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Old 07-11-12, 02:39 PM   #1
texastwister
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Why not tubeless for the Peloton ?

why have the pro's not gone with a clincher tubeless i know they run a glued on tubular , but i also see were some pro teams are running clinchers with tubes this year, so why not have best of both worlds , i think the sealant in the tubeless would seal fast enough not to loose to much pressure so they could finish the race without having to wait for a spare and loosing seconds if not minutes at the end of a race...just me thinking out loud

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Old 07-11-12, 04:33 PM   #2
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First, the selection of road tublesss tires is very limited. Second, the best compliment you can give a road tubeless is "its almost as good as a tubular" -- so just use a tubular -- there's no limit to the available options. I had road tubular since around 2007 but used normal tires and tubes due to the limited tire choices.
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Old 07-11-12, 04:57 PM   #3
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Yes, as bikepro wrote, limited choice re tubeless tires, and If you have a team car or neutral support car ready to switch out your flats, then no reason not to go tubular. Tubular wheels are much more lighter than tubeless or clinchers, and tubular tires stay on with flats as opposed to rolling off as a clincher tire does, thus safer, with the amount of mountains/passes that are rode.

If I have a team car and mechanics that follow me on training rides and races, I won't mess with anything other than tubulars.
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Old 07-11-12, 05:28 PM   #4
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If I had my own mechanic and support vehicle Id run sew ups all the time.
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Old 07-11-12, 06:11 PM   #5
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Quote:
Originally Posted by texastwister View Post
why have the pro's not gone with a clincher tubeless i know they run a glued on tubular , but i also see were some pro teams are running clinchers with tubes this year, so why not have best of both worlds , i think the sealant in the tubeless would seal fast enough not to loose to much pressure so they could finish the race without having to wait for a spare and loosing seconds if not minutes at the end of a race...just me thinking out loud
Tubeless does not necessarily have sealant. Optional sealant is heavy. Weight kills. Even without that extra sealant weight, it's not necessarily clear that clincher tubeless is as good, let alone better.
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Old 07-12-12, 12:44 PM   #6
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Quote:
Originally Posted by texastwister View Post
why have the pro's not gone with a clincher tubeless i know they run a glued on tubular , but i also see were some pro teams are running clinchers with tubes this year, so why not have best of both worlds , i think the sealant in the tubeless would seal fast enough not to loose to much pressure so they could finish the race without having to wait for a spare and loosing seconds if not minutes at the end of a race...just me thinking out loud
A rider is much better to switch out a tire that is non-optimal then to ride it out.

My bet is tubeless is suboptimal to start. Seconds are rarely lost. They are made back as soon as a rider rejoins the group.

Anything using sealant loses some air. At levels well below the TDF that makes a difference. enough to lose a sprint or not catch a break.
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Old 07-12-12, 06:48 PM   #7
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Quote:
Originally Posted by texastwister View Post
why have the pro's not gone with a clincher tubeless i know they run a glued on tubular , but i also see were some pro teams are running clinchers with tubes this year, so why not have best of both worlds , i think the sealant in the tubeless would seal fast enough not to loose to much pressure so they could finish the race without having to wait for a spare and loosing seconds if not minutes at the end of a race...just me thinking out loud
Safety and tradition. On a high speed descent if a tubular goes flat it will usually (but not always) stay on the rim. A tubeless tire is much more likely to come off the rim at high speed and cause a more serious crash.
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Old 07-12-12, 10:43 PM   #8
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TUbulars still have too many advantages other type of tires dont have, they will get close but wont be the same ever. Ask tony martin and his darn clinchers in the prologo wiggo and evans still w/o punctures apparently.
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