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  1. #1
    RoadBikeReview Member
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    Best Racing/Training Clincher: GP4000s vs Ultremo ZX vs Pro 4 Race SC

    So I'm looking for the best Racing/Training Clincher tires.

    There's always the venerable GP4000s

    The new Ultremo ZX that's been getting amazing "official" reviews

    and the new Pro 4 Race Service Course with it's sharper profile

    -anyone try one, or even all of these could tell how they are? especially grip on descents.

  2. #2
    'brifter' is a lame word.
    Reputation: cxwrench's Avatar
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    racing and training are pretty much opposite ends of the riding spectrum...do you mean that you're looking for a 'racing' tire as well as a 'training tire'? remember, train heavy...race light. you want a light weight, grippy, smooth tire for racing. you may want to sacrifice some puncture resistance for light weight.
    for training, you want reliable puncture resistant tires that have decent grip and last a long time. i'd go as heavy as i could find, that way my race wheels/tires feel even lighter on race day. for me, training tires are 25mm, thick/heavy/durable. race tires are 23mm, light/grippy. no one tire works best for both.
    i work for some bike racers...
    2013 Trek Madone 5.9 w/ '12 SRAM Red
    2010 Cervelo T1 sprint bike
    Ruger 10-22TD
    Smith&Wesson M&P 15-22
    Smith&Wesson M&P 9
    oh, those belong in another forum

  3. #3
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  4. #4
    I ride in circles..
    Reputation: ZoSoSwiM's Avatar
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    I've ran GP4000's for a few years now and love them in every situation.

    I tried Ultremo ZX's last year and I will agree they are fast. However their durability leaves a lot to be desired..
    ~ Long Live Long Rides~

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