Shimano 9/10 spd cassette questions

Discussion in 'Cycling Equipment' started by jcbarnett, Aug 4, 2006.

  1. jcbarnett

    jcbarnett New Member

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    I have a 9 spd Dura-Ace cassette that I'm going to be removing from my Bontrager Race X Lite wheel and installing on my new Bontrager X Lite Carbon Aero wheel. The Aero wheel will accept 8/9/10 spd Shimano cassettes. My question are: are all 105/Ultegra/Dura-Ace cassettes interchangeable? Will I need a special spacer/washer with the Dura-Ace 9 spd cassette on the Aero wheel?? Many THANKS for the assistance.
     
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  2. rek

    rek New Member

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    Yep, your 9 speed cassette should go on just fine without any hassles or washers/spacers.

    Generally speaking, this is the case for any 8/9/10 speed Shimano cassette, with a few minor exceptions.

    10 speed cassettes have a little recess at the back of their spider. When using a conventional 8/9 speed hub you you need to put in a tiny little spacer washer to fill in this gap. These come with the cassette, though.

    Also, new Shimano Dura-Ace hubs and wheelsets have an aluminium freehub body with a deeper spline pattern. Only 10 speed cassettes can fit on these. (This design change prevents the 'gouging' marks on an aluminium freehub body that can be left by a steel cassette.)
     
  3. John M

    John M New Member

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    Yes, they are interchangeable for those wheels. You do NOT need the spacer for 9s, only with 10s. The lack of interchangeability is that 9s cassettes will not fit on dura-ace 10s hubs.
     
  4. Ray Dockrey

    Ray Dockrey New Member

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    I don't know if I did something wrong but when i installed my nine speed cassette on my new Aksium wheels I had to use the spacer. I asked my LBS about this and they said that it was fine. They said they always try it first with the spacer. Maybe Mavic does something weird with their hubs. I know I didn't have to adjust the rear derailleur at all and the chain line is correct.
     
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