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  1. #1
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    Need help with Convert 1 by

    I have the HB r build, I'm wanting to get rid of the front derailleur. I think what I need is the race face narrow wide ring. Do I need to completely remove the crank to install?

    Or just the four bolts on the ring?
    2016 felt v85
    2015 santa cruz highball
    2015 trek x-caliber 8
    2010 trek 3900

  2. #2
    Slower But Faster
    Reputation: BrentD's Avatar
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    You'll need to remove the crank to get the granny ring off. Any of the narrow wide rings will work (I like Blackspire stuff but am also getting good results with E13 currently), check you get the right BCD to match your crank.

  3. #3
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    What is BCD?
    2016 felt v85
    2015 santa cruz highball
    2015 trek x-caliber 8
    2010 trek 3900

  4. #4
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    Bolt spacing on the rings to match the spacing of crank
    “An adventure is misery and discomfort, relived in the safety of reminiscence.” Marco Polo

  5. #5
    Slower But Faster
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    Quote Originally Posted by skt4271 View Post
    What is BCD?
    An acronym for Bolt Circle Diameter.

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