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  1. #1
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    chain length switching from 8 to 9 gears

    I am working on a project to upgrade my 8 speed bike to a 9 speed bike. I have all the stuff with me, but I was just wondering if i can cut the new 9 speed chain to the same length as my 8 speed chain or not?


    since the there is no difference between the largest and the smallest cog (my 8speed cassette had 32/11, and the 9 speed is also 32/11) so shouldnt the chain length be the same? thanks.

  2. #2
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    Reputation: SteveUK's Avatar
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    You'll most likely find that the 9 speed chain will be the same length, but I'd still recommend measuring it independently to acquire the correct length.
    .
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    What luck for rulers, that men do not think - Adolf Hitler

  3. #3
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    Reputation: Rotmilky's Avatar
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    I upgraded my old 8 speed HT to 9 speed a few years ago. I cut the 9 speed chain the same length as the 8 speed and had no problems.

  4. #4
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    Reputation: Joules's Avatar
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    yes the chain should be the same length if the big cog and ring are the same. How sure are you that the old chain was the right length to start with? (if the answer is "that's how the lbs sized it" or "that's how the bike came" I'd double check).

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