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  1. #1
    mtbr member
    Reputation: Dallasrebar's Avatar
    Join Date
    Jul 2011

    Brand new and busted

    Is this normal?

    I just bought this on ebay and that's probably my first mistake. X9 crankset. Is it normal for the teeth to be chipped and uneven fresh out the box?

    And I guess more importantly, will it affect the ride? I still have the option to return these but wanted to get some opinions first. This is my first crank purchase.

    Does anyone ride with worn teeth worse than this without problems or should I return these and buy from my LBS?
    Attached Thumbnails Attached Thumbnails Brand new and busted-_ctp8764-edit.jpg  

  2. #2
    Tá mé ar meisce.
    Reputation: BeerCan's Avatar
    Join Date
    Aug 2006
    I don't think it is busted at all. I believe the teeth are that way to aid in shifting performance.
    To see what is right, and not to do it, is want of courage or of principle. -- Confucius
    Come join me at the Swamp

  3. #3
    It's about showing up.
    Reputation: Berkeley Mike's Avatar
    Join Date
    Jan 2004
    Not to worry. Those all support shifting.

    That said, rmember when you remove the rings that you orient them in the same way when you put them back.
    I don't rattle.

  4. #4
    ride more
    Join Date
    Mar 2007
    They are supposed to be like that

  5. #5
    Reputation: marpilli's Avatar
    Join Date
    Feb 2011
    I wondered the same thing when I first inspected my chain rings.

    BTW, hello from the far north of the metroplex.

  6. #6
    meow meow
    Reputation: b-kul's Avatar
    Join Date
    Sep 2009
    its all good

  7. #7
    mtbr member
    Join Date
    Nov 2008
    The cut and sculpted teeth make it easier for the chain to dis-engage and switch to the other chainring.

    The key to solving any problem is to understand and address the underlying cause.

  8. #8
    mtbr member
    Join Date
    Apr 2009
    Yes - its normal for the teeth to be different lengths (as others have mentioned

    Yes - it will affect your ride. It should vastly improve it to have smoother shifting gears
    Rimmer - "There's an old human saying - if you talk garbage, expect pain"

  9. #9
    mtbr member
    Reputation: Dallasrebar's Avatar
    Join Date
    Jul 2011
    thanks for all the replies. I found a video and link to Sram's chainring design.



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