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  1. #1
    JMC
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    Stripped Crank Arm

    my crank arm is f555ed. i wiped and my pedal hit a 1/4 pipe at a wrong angle and it stripped the pedal right out the thread of the crank arm. the pedal's threads are still wicked cool but the crankarm is f555ed. any suggestions or must i but a new one? which is a good crankarm in your opinion?
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  2. #2
    JMC
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    this is some pix of de problem,

    soz about the quality. i'm usin a kack o;d webcam.
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  3. #3
    Senior Member
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    The only thing that might work is a "tap and die" tool, wich is a hardened steel bolt that you thread through the bad thread and it cleans the threads up. But I have no idea if they even make a 9/16. Check your local hardware store to get a set of them for about 20 bucks or so.

  4. #4
    Fly bikes - Diablo 05 Tazz's Avatar
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    just get some profile race cranks........cant go wrong with em'
    To hell we ride...

  5. #5
    Lanterne rouge 16Victor's Avatar
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    http://www.emhart.com/products/helicoil.html

    Get a compatible kit on ebay, lots cheaper than replacing the crank arm...worth a try, anyhow.
    Ron
    Any problem can be solved with the proper application of force, heat, chemicals, or money.

  6. #6
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    Just warranty them.

    Email nuno@odysseybmx.com for information.

    edit: Assuming that those are Odyssey cranks; they look like them.

  7. #7
    JMC
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    Quote Originally Posted by Beerman
    Just warranty them.

    Email nuno@odysseybmx.com for information.

    edit: Assuming that those are Odyssey cranks; they look like them.
    they're mongoose
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  8. #8
    JMC
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    Quote Originally Posted by 16Victor
    http://www.emhart.com/products/helicoil.html

    Get a compatible kit on ebay, lots cheaper than replacing the crank arm...worth a try, anyhow.
    heli's are **** and don't work. trust me, i have xperiance.
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  9. #9
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    Quote Originally Posted by JMC
    they're mongoose
    Buy new cranks.

  10. #10
    JMC
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    Quote Originally Posted by Beerman
    Buy new cranks.
    suggestions with prices?

    availability in South Africa is a f555 of an issue.
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  11. #11
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    Email empirebmx@empirebmx.com or ibeflip@aol.com (Albes). Explain to them what you want and where you live; they might be able to cut you a deal on shipping.

  12. #12
    JMC
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    wicked. can i have some websites to check out 2? of their products i mean.
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  13. #13
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    http://www.empirebmx.com
    http://www.albes.com

    You're probably going to have to order via email, though, rather than the normal way.

  14. #14
    JMC
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    why the f555?
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  15. #15
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    Language filter, most likely.

  16. #16
    Lanterne rouge 16Victor's Avatar
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    Quote Originally Posted by JMC
    heli's are **** and don't work. trust me, i have xperiance.
    They're not, they do, and so do I - 43 years worth. You have to do them right - granted, it's up for debate whether they'll work in this application, but I have several installed right now (on race car cylinder head stud holes) and they're fine and have been there for 4+ years.
    Ron
    Any problem can be solved with the proper application of force, heat, chemicals, or money.

  17. #17
    JMC
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    i'm a fan of helis, mate.
    just not for this job.
    f555 is just my way.
    the **** of the filter piss me off.
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  18. #18
    JMC
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    see my REACHING NEW LEVELS OF ENGINEERING post
    bewahret einander vor herzeleid
    denn kurz ist die zeit die ihr beisammen seid
    denn wenn euch auch viele jahre vereinen
    einst werden sie wie minuten euch scheinen

  19. #19
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    The only potential issue with the tap and die solution is that the metal is weakened, and if you can retap to the original size, the resulting thread may be too weak to hold the pedal...especially if you're ramp riding like you mentioned. You can retap to a larger diameter, but you'll then need to find a shim to convert the pedal threads to a larger size. The ideal fix is a new crank arm or new cranks altogether (Oldschool Redline flights are my fave).

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