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Conti UltraRace or GP4000S?
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Ultra Race1 Votes - [3.33%]
GP4000S29 Votes - [96.67%]

2013-03-20 1:02 PM

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Master
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Los Angeles, CA
Subject: Conti UltraRace or GP4000S?

Greetings!

Which of the above tires would you guys use for race day and why? Give me your votes! 

Thanks,

Roland



2013-03-20 1:21 PM
in reply to: #4667710

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Subject: RE: Conti UltraRace or GP4000S?
I actually gained 1 mph with the GP4000s.  No kidding.
2013-03-20 1:30 PM
in reply to: #4667710

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Subject: RE: Conti UltraRace or GP4000S?

My 2 favorite tires (durability, speed, price, etc) are Conti 4000S and Schwalbe Ultermo DD.

I've ridden on Michelin and Vittos before and they just don't do it for me...although they're nice tires in their own right.

2013-03-20 2:05 PM
in reply to: #4667747

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Subject: RE: Conti UltraRace or GP4000S?

Bodaggit - 2013-03-20 8:21 AM I actually gained 1 mph with the GP4000s.  No kidding.

I believe you.

2013-03-20 2:08 PM
in reply to: #4667710

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Not a Coach
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Subject: RE: Conti UltraRace or GP4000S?
GP4000S.  Because it should be faster.  For the same reason, I wouldn't make either my first choice.
2013-03-20 2:15 PM
in reply to: #4667814

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Subject: RE: Conti UltraRace or GP4000S?

JohnnyKay - 2013-03-20 2:08 PM GP4000S.  Because it should be faster.  For the same reason, I wouldn't make either my first choice.

I've been racing the GP4000S tires for the last couple of years.

Johnny - what's your choice? 



2013-03-20 2:17 PM
in reply to: #4667824

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Subject: RE: Conti UltraRace or GP4000S?
outdoorWI - 2013-03-20 3:15 PM

JohnnyKay - 2013-03-20 2:08 PM GP4000S.  Because it should be faster.  For the same reason, I wouldn't make either my first choice.

I've been racing the GP4000S tires for the last couple of years.

Johnny - what's your choice? 

I've been using the Vittoria Open Corso CX or SL.  I used Michelin Pro3 before that, which are very similar to the GP4000S.

2013-03-20 2:36 PM
in reply to: #4667832

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Subject: RE: Conti UltraRace or GP4000S?
JohnnyKay - 2013-03-20 9:17 AM
outdoorWI - 2013-03-20 3:15 PM

JohnnyKay - 2013-03-20 2:08 PM GP4000S.  Because it should be faster.  For the same reason, I wouldn't make either my first choice.

I've been racing the GP4000S tires for the last couple of years.

Johnny - what's your choice? 

I've been using the Vittoria Open Corso CX or SL.  I used Michelin Pro3 before that, which are very similar to the GP4000S.

I also use the Vittoria Open Corsas.  But what's interesting is the aero data that's coming out now...and how the Vittoria may roll faster, but may not be as aero as some other tires.

But anytime you're going to consider aero data, it's important to know how your tire pairs with the wheel.  A 23mm GP4000S will likely have different aero data paired with a 23 mm rim than it would a 19mm rim.

2013-03-20 3:36 PM
in reply to: #4667856

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Subject: RE: Conti UltraRace or GP4000S?

tri808 - 2013-03-20 3:36 PM

But what's interesting is the aero data that's coming out now...and how the Vittoria may roll faster, but may not be as aero as some other tires.

Yeah, I have heard about that but haven't looked into it much yet.  Might have to consider if they are still the best choice for me (at least on the front).

2013-03-20 5:35 PM
in reply to: #4667710

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Expert
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Greenville, SC
Subject: RE: Conti UltraRace or GP4000S?

i have both, and the GP4000s is the better of the two.

they are on sale for $35 at probikekit.com right now... look around online and you can easily find a few additional coupon codes to throw on their too.

2013-03-20 8:12 PM
in reply to: #4667710

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Elite
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Subject: RE: Conti UltraRace or GP4000S?
Can't answer but bought 2 yesterday on provoke


2013-03-20 9:26 PM
in reply to: #4667761

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Subject: RE: Conti UltraRace or GP4000S?
PHXATC - 2013-03-20 6:30 AM

My 2 favorite tires (durability, speed, price, etc) are Conti 4000S and Schwalbe Ultermo DD.

I've ridden on Michelin and Vittos before and they just don't do it for me...although they're nice tires in their own right.

 

Ultremo DDs are a great tyre, but they are really only for race day in my experience, mine got so cut up in regular usage I had to give up on them after about 2000km!

2013-03-22 11:57 AM
in reply to: #4667710

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Master
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Los Angeles, CA
Subject: RE: Conti UltraRace or GP4000S?
Great!  Thanks for the votes guys!  I currently train on UltraRace or Gatorskin tires and have 2 pairs of pretty new GP4000s which I used mostly for racing.  I see there are other options that are pretty good as well and I may try those when my GP4000S tires wear out.  Thanks again!  GP4000S wins! =D
2013-03-22 12:58 PM
in reply to: #4667710

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Subject: RE: Conti UltraRace or GP4000S?

Man, I feel like a loser. The used tri bike I bought came with Ultra Race.

2013-03-22 1:32 PM
in reply to: #4670567

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Master
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Subject: RE: Conti UltraRace or GP4000S?
iruptacopula - 2013-03-22 10:58 AM

Man, I feel like a loser. The used tri bike I bought came with Ultra Race.

Mine did too.  They're not bad tires. 

2013-03-22 2:24 PM
in reply to: #4667747

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Subject: RE: Conti UltraRace or GP4000S?

Bodaggit - 2013-03-20 12:21 PM I actually gained 1 mph with the GP4000s.  No kidding.

Were your previous tires gatorskin +K's with slime, thorn liner, and filled with rocks?



2013-03-22 2:25 PM
in reply to: #4667710

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Subject: RE: Conti UltraRace or GP4000S?
Because Conti's never flat. 
2013-03-22 2:25 PM
in reply to: #4670613

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Subject: RE: Conti UltraRace or GP4000S?
If you have a 19mm wheel, you might want to try the gp4000 in 20mm size.  The 4000s doesn't come in that size, but as long as it's the black 4000 they're the same tire.
2013-03-22 2:49 PM
in reply to: #4667710

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Pro
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Subject: RE: Conti UltraRace or GP4000S?

the UltraRace is an inexpensive training tire that you'll find comes stock on many bikes.

the GP4000S is one (if not the) best all-around racing/training tire.  there are a few tires out there that are 'faster' for TT's and race day, but there is probably none faster that has a reasonable amount of protection for regular use.

2013-03-22 3:17 PM
in reply to: #4670721

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Subject: RE: Conti UltraRace or GP4000S?
adrian. - 2013-03-22 9:24 AM

Bodaggit - 2013-03-20 12:21 PM I actually gained 1 mph with the GP4000s.  No kidding.

Were your previous tires gatorskin +K's with slime, thorn liner, and filled with rocks?

I was using Serfas Survivor Series tires...somewhat similar to Gatorskins...probably slower.  No slime, no liner, no rocks.  Roughly 1 mph speed difference at 250 watts on the flats.  Previous testing on rolling resistance and calculations based on those tests in analytic cycling tend to back that up as well.

2013-03-22 3:52 PM
in reply to: #4667710

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Expert
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Marin County, California
Subject: RE: Conti UltraRace or GP4000S?
I've been training and racing the GP4000's since late 90's. Seriously, I can count the number of flats I've had on one hand, and I've worn them pretty far down.


The 'Race' ones came stock on my old QR and I was lazy in swapping them out-flatted 3 times in 2 weeks.

Zanne


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