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PostPosted: Tue Nov 21, 2017 8:39 am 
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Joined: Sun Jun 10, 2012 1:11 am
Posts: 1203
Been seeing lots of different vid about testing between tubs vs clinchers. Seems that even with the same width tires and same psi (although personally tubs should be at a higher psi to make the test more valid/ fair), clinchers are faster.

If that's the case how come pro in TDF doesn't use clinchers? Maybe some team does, I'm not sure, but seems to me most pros still prefers tubs.

I use to ride all clinchers but since I bought Aero72 + veloflex sprinters... I got so hooked. Even bought a DA C24+ veloflex carbons.

Thoughts?


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Posted: Tue Nov 21, 2017 8:39 am 


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PostPosted: Tue Nov 21, 2017 8:44 am 
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Joined: Wed Jan 22, 2014 11:48 am
Posts: 2427
Location: Vienna Austria
Clinchers are faster so Pros use them in time trials.

The only reason tubs are used in races with support cars is that you can ride on a deflated tub until a wheel swap.

With cotton clinchers available, there is no reason except weight to ride tubs, and if you carry a spare tub the clincher setup will be lighter again.

Ok, let it begin!


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PostPosted: Tue Nov 21, 2017 8:54 am 
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Joined: Mon Apr 05, 2010 4:14 pm
Posts: 253
A clincher and a tub of exactly the same construction at exactly the same pressure and with exactly the same cross-sectional size will be very close in rolling resistance.
Modern wide clincher rims tend to mean that in real life, 23mm clinchers are the same or larger when inflated than 25mm tubs, so this is where the advantage you are speaking of comes from.

Factors that favour tubs: nice safe place for a latex tube, run-flat safety which is increasingly more important with fragile time trial tyres on quick descents.

Factors that favour clinchers/tubeless: more consistent interface with rim (glue and tape jobs can increase rolling resistance if poorly done), wide availability of large sizes, wide availability of tyres that make a compromise between puncture resistance in favour of running sealant, lower cost meaning that customer may be happier running a more fragile setup


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PostPosted: Tue Nov 21, 2017 9:02 am 
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Joined: Fri May 25, 2007 6:43 pm
Posts: 3285
viewtopic.php?f=14&t=136144

Can someone merge the threads......... ;)


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PostPosted: Tue Nov 21, 2017 10:20 am 
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Joined: Sun Jun 12, 2016 1:35 pm
Posts: 95
I suspect like for like, the difference is the same as shaving your legs every week or every 3 days

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