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  1. #1
    Enjoy
    Join Date
    Nov 2003
    Location
    Seattle metro
    My Bikes
    Trek 5200
    Posts
    6,167
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    Ultegra 53/39 chain ring question (basic)

    In April, I upgraded from 105(8) to the Ultegra (10). Nice change, great crank, and less maintenance over all. Now after 1,500 miles I notice that the grey coating where the chain engages the crank appears worn off. Shifting is still quick as new.

    What is the grey coating...Is this normal for the grey coating to be worn off?

  2. #2
    cab horn
    Join Date
    Jun 2004
    Location
    Toronto
    My Bikes
    1987 Bianchi Campione
    Posts
    28,292
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    yes
    Mes compaingnons cui j'amoie et cui j'aim,... Me di, chanson.

  3. #3
    Enjoy
    Join Date
    Nov 2003
    Location
    Seattle metro
    My Bikes
    Trek 5200
    Posts
    6,167
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    Thanks Operator. You just saved LBS pit-stop

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