Chainring: What FSA on an Ultegra 6800 crank
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  1. #1
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    Chainring: What FSA on an Ultegra 6800 crank

    Hello,

    Does anyone know if / what FSA chainring will fit on the Ultegra 6800 crankset? I'd like to install a 55T.

    Thanks!

  2. #2
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    That's an asymmetric bolt pattern on the 6800 crank. Maybe try something like this
    https://www.velo-perso.com/en/aldhu/...4-chainring-44,
    or a Dura Ace 55t.

  3. #3
    'brifter' is a lame word.
    Reputation: cxwrench's Avatar
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    Do you have a bigger small ring to go with the 55?
    I work for some bike racers
    I've got some bikes, some guns,
    and a bunch of skateboards

  4. #4
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    Yes... I have a 42t

  5. #5
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    Quote Originally Posted by Gall View Post
    Yes... I have a 42t
    What do you need the 55 for? A 55/12 at 100 rpm is over 35 mph. You should be coasting at that speed downhill.

  6. #6
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    He likes to ride DOWN cottonwood pass!
    BANNED

  7. #7
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    Here I'll really get y'all shaking your head... I'm going to run a 11-34 cassette. Yep a 55/56-42 with a 11-34 cassette. I posted about this a few years ago when I wanted to run the tiny 53 with the 11-34... LOL

  8. #8
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    Quote Originally Posted by Gall View Post
    Yep a 55/56-42 with a 11-34 cassette.
    Pointless. Absolutely pointless. Giving away numerous gear combinations and having wide jumps between gears just so you can pedal slowly downhill.

  9. #9
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