Thread: Hollowtech II
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Old 03-24-13 | 11:37 AM
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RGNY
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From: Utica,NY,USA
quick search says up/down compatibility is fine.

I like the Ultegra level, with 105 on my workhorses bikes. slight finish and weight improvements.
Last edited by RGNY; 03-24-13 at 11:41 AM.
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