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  1. #1
    Council of the Elders billydonn's Avatar
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    5703 Crankset Question

    Simple question:
    Does the Shimano 5703 crankset use the 74mm bolt circle diameter for the inner chainring, or the non-standard BCD like the new 6703 Ultegra?

    Thanks.

    There is a time to resign oneself
    to old age and infirmity. You first.
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  2. #2
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    Yes, according to this document: techdocs.shimano.com/media/techdocs/content/cycle/SI/SI_1M30A/SI-1M30A-003-ENG_v1_m56577569830702207.pdf

    Hint: Second hit on a Google search on "Shimano 5703 crankset pdf"

  3. #3
    Senior Member Bill Kapaun's Avatar
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  4. #4
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    Interesting that they specify different chains for the doubles than for the triple.

  5. #5
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    Quote Originally Posted by shelbyfv View Post
    Interesting that they specify different chains for the doubles than for the triple.
    Yes, and even the Shimano tech guy in Calif. couldn't explain why.

  6. #6
    Senior Member Slaninar's Avatar
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    Quote Originally Posted by HillRider View Post
    Yes, and even the Shimano tech guy in Calif. couldn't explain why.
    The truth is out there....

    So, since I have 5703 crankset, I should get 5601 chain, not 5701?
    Evviva il comunismo e la libertÓ.

  7. #7
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    Quote Originally Posted by Slaninar View Post
    The truth is out there....

    So, since I have 5703 crankset, I should get 5601 chain, not 5701?
    Possibly it is but it would be nice if the maker would let us in on it.

    A 5600 or 6600 chain will both work.

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