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  • Shopping around for a 105 10sp (5603) 39t chairing.

    The 4603, 5703, & 6703 39t's are all cheaper at sjs than any 5603 going anywhere. Will any of these do the job just as well or will shifting not work or something?

    Ta.

  • Will any of these do the job just as well or will shifting not work or something?

    6703 or 4603 won't work at all, they are adapter rings to fit a third ring to otherwise double cranks. 5703 should be fine, and may even work better than the original.

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