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  1. #1
    later free_pizza's Avatar
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    Sette Torx ST-215CB Cotterless Crank Puller -How does this work?

    Ive searched on how this bloody thing works, and ive tried it out, and i have NO IDEA how it works!!

    I have a truvativ firex isis crank.

    Please help!


  2. #2
    I-M-D bell curve of bikn'
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    From what I see it is like my Spin Doctor which I just used on my wife's mtn. bike...........you thread the black end into the crank arm threads with the rotating disk end pressing firmly onto the splines in the crank arms. Then you use your supplied wrench and begin to loosen in the proper direction in relation to which side crank arm you are working on. In other words the disk will press against the splines and pull the crank arms from the BB.
    Ego Campana Inflectum of Circuitous

  3. #3
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    1. remove crank bolts
    2. screw in black part
    3. screw in silver part

    That should do it unless the head is not big enough to engage an ISIS spindle.

  4. #4
    later free_pizza's Avatar
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    Cheers, i guess i was doing it the right way, but i really had to crank it hard to get the crank arms off.

    And putting the crank arms back on? just smack them with a rubber mallet?

  5. #5
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    Just put the crank arms back on and tighten the crank bolts. No need to smack with a mallet.

  6. #6
    later free_pizza's Avatar
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    Quote Originally Posted by twowheels
    Just put the crank arms back on and tighten the crank bolts. No need to smack with a mallet.
    Cool, thanks a lot.


    To the Mods: You can delete this thread now if you want, i just wanted a quick answer as frustration was setting in real fast!

  7. #7
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    Quote Originally Posted by twowheels
    Just put the crank arms back on and tighten the crank bolts. No need to smack with a mallet.
    Tighten the bolts HARD. The torque spec is about 350 inch-pounds which is much more than you would expect.

  8. #8
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    350in.lbs.=30ft.lbs.=30lbs of your weight, applied 12in away from the bolt.
    It wont hurt it to go 40+. apply a light coating of grease to spindle and bolt threads.

  9. #9
    later free_pizza's Avatar
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    Quote Originally Posted by CBolt
    350in.lbs.=30ft.lbs.=30lbs of your weight, applied 12in away from the bolt.
    29.167ft*lbs (im a nerd engineer)

    edit: im not saying it takes an engineer to figure that out...
    Last edited by free_pizza; 02-23-06 at 09:50 PM.

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