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  1. #1
    RkyMtnRider
    Join Date
    Aug 2006
    Location
    Denver
    My Bikes
    Specialized S-Works Hardtail
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    4
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    xtr 5 spoke crank vs. 4 spoke crank

    What is the difference, besides the obvious and the fact that there are two more teeth per ring. Are there any user experience pros & cons about either? Any info. appreciated.

    Thanks,
    Flyingdogg

  2. #2
    barnfullagts
    Join Date
    Oct 2005
    Location
    WI
    My Bikes
    GT BI Ti/BI Steel - Edge Ti and Steel Xizang Ti and Psyclone Steel
    Posts
    620
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    Doesn't have anything to do with the number of teeth on the chairings. The four arm crank is the newer model. The difference between the four arm and five arm cranks is weight reduction. Four arms instead of five. Four chainring bolts instead of five. The four is obviously newer. With the advent of carbon fiber cranks and competition from TruVativ, Shimano chose to keep up with the trend for lighter is better.
    GT's in the barn: 67 and counting.

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