Cycling Equipment · Public discussion

converting a small mtb to a road bike

Started by Pooh · · Last activity · 3 posts · 1,164 views

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Cycling Equipment
Published
2 June 2003
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3 June 2003
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Pooh
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  1. My daughter saw a crit two weeks ago, and is now interested in entering a crit herself in the 10-12
    age group. Being on a constrained budget, I'm thinking how to convert one of yet to be used bikes to
    an appropriate contender without spending hundreds of dollars to get her started.

    Here's what I have. A 15" Giant triple butted MTB, 26" Fat Boy 100
    psi tires. 7 speed, shimano compact rear hub 36 spoke, and Specialized/Wheelsmith 36 spoke front.

    I have a number of road bars and stems that will fit the 1" headset. Done.

    Brakes are cantilever, shifter is underbar Deore pods index. What are my options here?

    Can I use road bike brake levers on c-brakes?

    I'm not certain what to do with the shifters except to go used STI. That's bucks.

    Switching the chainwheel to dual road chainwheels should be no problem, I have an array of CW's.

    Could this work and perform well. (I noticed that her field of competition in junior girls 10-12 is
    very small. Probably so small that in medals for the first 5 places, they might have some prizes
    left over).

    Thanks/

    Wynn

  2. A shy person said:

    My daughter saw a crit two weeks ago, and is now interested in entering a crit herself in the
    10-12 age group. Being on a constrained budget, I'm thinking how to convert one of yet to be used
    bikes to an appropriate contender without spending hundreds of dollars to get her started.

    Here's what I have. A 15" Giant triple butted MTB, 26" Fat Boy 100
    psi tires. 7 speed, shimano compact rear hub 36 spoke, and Specialized/Wheelsmith 36 spoke front.

    I have a number of road bars and stems that will fit the 1" headset.

    Sounds like a good plan. Normally you'd want a stem with a shorter extension for
    converting to drops.

    Quoted message said:

    Brakes are cantilever, shifter is underbar Deore pods index. What are my options here?

    Option A. Shimano Sora ergos ($130) These work very well, and are adjustable for smaller hands. Only
    downside is that the front one isn't perfectly compatible with her present front derailer.

    A 1997 RSX front derailer will fix that, if the bike can use a 1 1/8 or 1 1/4 bottom pull.
    sheldonbrown.comderailers.html

    Option B. Bar end shifters. This won't be much cheaper 'cause you also need to buy brake levers. The
    Sora STIs are the only drop bar levers with a reach adjustment for small hands.

    Quoted message said:

    Can I use road bike brake levers on c-brakes?

    No problem.

    Quoted message said:

    I'm not certain what to do with the shifters except to go used STI. That's bucks.

    Switching the chainwheel to dual road chainwheels should be no problem, I have an array of CW's.

    Oh, if you go for a double, there won't be any problem with front STI shifting.

    Quoted message said:

    Could this work and perform well.

    Yep.

    See sheldonbrown.comparts

    Sheldon "Sora, Sora, Sora" Brown +-------------------------------------------------------+
    | Let us endeavor so to live that when we come to die | even the undertaker will be sorry. --Mark
    | Twain |
    +-------------------------------------------------------+ Harris Cyclery, West Newton, Massachusetts
    Phone 617-244-9772 FAX 617-244-1041 harriscyclery.comharriscyclery.com Hard-to-find parts shipped Worldwide
    captainbike.comcaptainbike.com sheldonbrown.comsheldonbrown.com

  3. Sheldon Brown said:

    Sheldon "Sora, Sora, Sora" Brown

    Que sora, sora?

    Jasper "hiding from the angry mob" Janssen

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