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  1. #1
    mtbr member
    Join Date
    Jan 2007

    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
    Reputation: SteveUK's Avatar
    Join Date
    Apr 2006
    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.

    What use is a philosopher who doesn't hurt anybody's feelings? -

  3. #3
    mtbr member
    Reputation: Rotmilky's Avatar
    Join Date
    Aug 2007
    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
    mtbr member
    Reputation: Joules's Avatar
    Join Date
    Oct 2005
    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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