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Old 08-17-12, 07:05 PM   #1
billydonn
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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.
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Old 08-17-12, 07:44 PM   #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"
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Old 08-17-12, 07:51 PM   #3
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Hint Shimano tech docs-
http://techdocs.shimano.com/media/te...9830702207.pdf
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Old 08-18-12, 01:16 PM   #4
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Interesting that they specify different chains for the doubles than for the triple.
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Old 08-19-12, 08:33 AM   #5
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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.
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Old 08-19-12, 11:34 AM   #6
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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?
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Old 08-19-12, 09:24 PM   #7
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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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