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  1. #1
    AJU
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    Octalink/Deore LX Crankset

    I am trying to install this crank but found that I don't have an allen key/wrench large enough for the crank bolts. My guess is that they are upwards of 10mm, but I have no way of knowing. Anyone install these and remember what size these bolts are?

  2. #2
    A little North of Hell
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    Shimano's tech docs show two different sizes for some of those V2 Octalink cranks. (8mm&10mm)

    http://techdocs.shimano.com/techdocs...1Dm!-479691771
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  3. #3
    AJU
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    Thanks, I must be looking for a 10mm then. I looked up the crank I have on the site you linked, but didn't find sizes for the bolts. Where did you find these sizes?

  4. #4
    A little North of Hell
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    Quote Originally Posted by AJU View Post
    Where did you find these sizes?
    Don't what number your crankset is?

    Item numbers 3 and 4

    http://techdocs.shimano.com/media/te...9830612815.pdf
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  5. #5
    AJU
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    The crank I have is the M572 - the spec sheet doesn't list the bolt size like the one you linked here does. Thanks again.

  6. #6
    A little North of Hell
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    Quote Originally Posted by AJU View Post
    The crank I have is the M572 - the spec sheet doesn't list the bolt size like the one you linked here does. Thanks again.
    If you look closely, it indicates 8mm in the assembly instructions for 571/572 crankset.

    http://techdocs.shimano.com/media/te...9830611894.pdf
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  7. #7
    AJU
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    I see that here, but my bolts are bigger - I tried an 8mm last night. I'll try the 10mm - worst thing would be that I get a new tool I'll eventually find some use for!

  8. #8
    AJU
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    It's 10mm - I got a set of sockets? for my torque wrench and got the crank on at lunch.

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