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  1. #1
    Junior Member
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    Next Question - Chainrings for Shimano 9 speed?

    In upgrading my bike I was thinking I might keep my old crankset for now - but I imagine I would likely need a new set of chanrings in moving up to a 9 speed. What am I looking for in chainrings that would 9 speed compatible? Thanks in advance
    MB

  2. #2
    Senior Member Bill Kapaun's Avatar
    Join Date
    Feb 2007
    Location
    Mid Willamette Valley, Orygun
    My Bikes
    86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
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    What do you have now?

    For a brief time, I was using a cottered double off an early 70's 10 speed with a 9 speed cassette and had no issues.

  3. #3
    Junior Member
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    After more researching, I ran into several stories about folks who converted 27" tire frames to 700 CC. There were ocassional problems with striking using the original 170mm crankset. I decided to go ahead and buy the 165mm Shimano Sora Triple chainring Crankset that is supposed to work with 9 speed chain.

  4. #4
    Senior Member
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    Montreal
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    I don't know why there would be a problem if you converted 27" wheels to 700c. 700c wheels are smaller in diameter than 27" by 8mm. If there was a problem with toe overlap after the conversion, it was worse before

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