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  1. #1
    mtbr member
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    no pins or ramps on 2x9 setup?

    I'm running a Shimano 2x9 crank. No big ring, bash guard in place of it.

    What will happen to my front der shifting if I change from a "normal" pinned and ramped 32 tooth ring to a single speed style 32 or 34 tooth ring?

    Will the shift from the 32/34 to the 22 become unreliable, or worse?

    Thanks everyone,
    Terry

  2. #2
    Nouveau Retrogrouch SuperModerator
    Reputation: shiggy's Avatar
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    Quote Originally Posted by elder_mtber
    I'm running a Shimano 2x9 crank. No big ring, bash guard in place of it.

    What will happen to my front der shifting if I change from a "normal" pinned and ramped 32 tooth ring to a single speed style 32 or 34 tooth ring?

    Will the shift from the 32/34 to the 22 become unreliable, or worse?

    Thanks everyone,
    Terry
    It shifts and shifts well. Of all my multi ring bikes (5) one has ramped rings.

    Just may need to learn to finesse the shift, which was normal back-in-the-day.
    mtbtires.com
    The trouble with common sense is it is no longer common

  3. #3
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    It'll work fine ...

    As Shiggy said it may take a bit for you to learn the most effective timing of your shifting.

    I learned to shift on a road bike back in the 70s and 80s with rings that didn't have ramps and pins and when I built my first 2x9 a couple of years back - I did it with rings which had no ramps/pins (26/40) and it worked fine.

    I will add that I just got a new 2x10 crank (SRAM x.7 28/42) and am using it on a 9-speed rear drivetrain and it shifts effortlessly...

    It'll make you more aware of how you shift and where you shift... but after a bit of practice shifting without ramps/pins is not a big deal.

    Good luck!
    S
    "You know how they make aluminum bike frames? They take steel and suck out all the soul..."

  4. #4
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    Thanks Steve and Shiggy.

    TR

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