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  1. #1
    Senior Member ka0use's Avatar
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    Chainring off a ufo?

    i was going to put this in the 'what logo is this?' thread, but maybe it should have it's own:

    i want to replace the outer chainring and due to to that 'model' being discontinued i am looking at used parts. i found one, perfect fit, bcd right, number of correct teeth, no name on it.

    was allllllllllllllll excited, put it on and went for a test ride nearly ending in injury. the chain was a-hoppin' up 'n' down the back gears and finally seized. chain and cassette are new.

    hobbled home (short distance) and assessed what i had done. compared old/new rings, looked the same- until i looked at the teeth. the 'new' rings teeth were a half-space off.
    they showed in between the old rings teeth. i even turned the 'new' one around, thinking maybe it had a different orientation. nope, still a half-space off. AND the indicator that goes behind the right crank arm was correct, too.

    are rings supposed to be set to a standard?
    Last edited by ka0use; 09-25-11 at 12:50 PM. Reason: forgot sumpin'

  2. #2
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    A picture of the specific chainring and one of the entire drivetrain would be very helpful.

  3. #3
    Senior Member ka0use's Avatar
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    i agree, but i have no digicam or real camera. thanks for the idea, though. a neighbor's daughter has one. will hit her up.
    ya know, i am gonna look like an eternal fool if it turns out to be the middle chainring! is 42 teeth workable for middle, too?
    Last edited by ka0use; 09-25-11 at 01:18 PM.

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