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  1. #1
    RoadBikeReview Member
    Join Date
    Apr 2006

    New Sidi Genius 6.6 vs old 5.5 model

    I have found a few places that have deals on what is now the "old" shoe, the 5.5. Besides the 6.6 new heel thingy that is supposed to prevent heel slip what is the difference between these two shoes?

  2. #2
    Moderatus Puisne
    Reputation: Argentius's Avatar
    Join Date
    Aug 2004
    1-piece carbon sole versus 2-piece design.

    A LOT of money, it seems. The 5.5 is a fine shoe. Heck, the Genius 4 was a great shoe. The Genius 3 had sort of a stupid ratchet mechanism...

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