10 speed cassette on 9 speed shifters?

Discussion in 'Cycling Equipment' started by ruleof72, Oct 17, 2008.

  1. ruleof72

    ruleof72 New Member

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    I'd like to take my Powertap wheel off of my new 10-speed Ultegra setup and use it on my old 9-speed 105 equipped bike for indoor training.

    Can I do that?
     
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  2. CDAKIAHONDA

    CDAKIAHONDA New Member

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    The easiest thing is just to switch cassettes, put the nine speed cassette on the PowerTap wheel. Remember to remove the 10 speed shim from the PT wheel before you put the nine-speed cassette on. You'll need a chain whip and a cassette ring removal tool (a wrench) and a few minutes, that's it. The ten speed spacing on the cassette, between sprockets, is narrower than that of the nine-speed obviously and so your wider nine speed chain will not ride/shift well on the 10 speed cassette.
     
  3. Peter@vecchios

    [email protected] New Member

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    No. 10s cogs are much closer together and the shifters will not shift 10s spacing. Get an inexpensive 9s cogset, like Tiagra/Sora, and put it onto the Powertap wheel.
     
  4. mamboitaliano

    mamboitaliano New Member

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    I just loving Peter’s comments - straight and to the point!
     
  5. Peter@vecchios

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    Sure if you replace the 10s cogset with a shimano/sram 9s one.
     
  6. Peter@vecchios

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    Ooopps, answered it twice-
     
  7. ruleof72

    ruleof72 New Member

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    Swapping cogsets each time I want to use the trainer is not a viable solution for me. Too much work, especially considering I'd be doing it every week.

    But, I think I found an answer, another PowerTap! I decided to get a used PowerTap wheel to use on my indoor trainer. After some searching, I found one on Ebay. The price was right and it will allow me to have an extra wheel if I need it. The PowerTap is a few years old but works fine. It should be a perfect solution, allowing me to keep my old 9-speed setup to use on the trainer and outside if needed.
     
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