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  1. #1
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    A 10 speed rear disc brake hub?

    Maybe I am being dense but I can't find a rear hub that accepts a 10 speed cassette and is disc brake compatible. Is there one out there or do I have to go to a 9 speed cassette? This is going on a road bike but I am happy with a MTB hub.

    Thanks

    Daven

  2. #2
    30 YR Wrench BikeWise1's Avatar
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    Most 10 speed cassettes will go on a 9 speed hub.

  3. #3
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    Thanks, well that is that problem sorted! When I choose my hub and cassette I will come back here and double check compatibility.

  4. #4
    Low car diet JiveTurkey's Avatar
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    Any Shimano-compatible 10-speed cassette will fit on a 9-speed Shimano-compatible freehub. The issue you may have with using a MTB rear hub on a road frame is spacing. MTB rear hubs are 135mm, while road are 130mm. Many hubs will allow spacers to be removed to shorten the OLD (over-locknut dimension) by 5mm. If it's a quick-release axle, you may need a new axle. Also, the wheel should be re-dished.
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  5. #5
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    Quote Originally Posted by JiveTurkey View Post
    Any Shimano-compatible 10-speed cassette will fit on a 9-speed Shimano-compatible freehub. The issue you may have with using a MTB rear hub on a road frame is spacing. MTB rear hubs are 135mm, while road are 130mm. Many hubs will allow spacers to be removed to shorten the OLD (over-locknut dimension) by 5mm. If it's a quick-release axle, you may need a new axle. Also, the wheel should be re-dished.
    if you respace a mtn disc hub to 130mm you will mess up the spacing for the disc rotor. you may also need a small spacer to put the 10sp cassette on a 9spd freehub

  6. #6
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    Quote Originally Posted by reptilezs View Post
    if you respace a mtn disc hub to 130mm you will mess up the spacing for the disc rotor. you may also need a small spacer to put the 10sp cassette on a 9spd freehub
    In which case i'd like to know what road bikes have a 130mm rear that supports disc.
    Mes compaingnons cui j'amoie et cui j'aim,... Me di, chanson.

  7. #7
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    The frame I am looking at says

    In between dropout spacing at 132.5mm. Run road or MTB spacings with no problems thanks to the joy of springy steel!

    So a 135mm hub will be fine- also the wheel will be being built from scratch so it should be ok

    Thanks

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