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  1. #1
    GMF
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    Strange Marzocchi fork dimension request

    I'm looking to hybridize a 2002 Marzocchi Marathon I was gifted with a mid 90s Z(something) lowers with the bolt-on arch. The stantions are the same OD and pitch, but the damper assembly stuff which is more sophisticated in the Marathon are a specific length. The critical dimension I am curious about is the distance between the axle centerline and the recessed face the damper is bolted to:
    Strange Marzocchi fork dimension request-marzocchi-bolt-depth.jpg

    When I get back home this weekend, i'll get the 2002 marathon depth for the record.

    Thanks for any help,
    -Damon

  2. #2
    human dehumidifier
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    How accurate does the measurement need to be? I've got a Z2 BAM in the garage, but will have to measure with a ruler.
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  3. #3
    GMF
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    Within a couple mm would be fine. My understanding is that this will ultimately set the axle crown height.

    I think a ruler may be a bit on the wide side so something like. Spoke or a straw dropped down in there and marked at the axle line with a sharpie would give a pretty accurate measure...

    Thanks!

  4. #4
    human dehumidifier
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    Yeah I realized a ruler wouldn't work right after I posted that. A tape rule won't work either unless I disassemble the fork, but the spoke or straw idea is do-able. I'll post what I find here in a bit, will do it before I start the yard work (ugh).
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  5. #5
    GMF
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    Much appreciated. And FWIW, i'd much rather be in a yard doing work than a cube doing work (like just before and after now...).

  6. #6
    human dehumidifier
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    Well I'm in the eastern TZ so my day of staring at a screen is over.

    I measured it out at 4-5/8", two separate measurements, both the same. (turned the straw over and did it again) I had a wheel in the drops so I wasn't guessing at the axle position. Eyeballed to the center of the QR.
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  7. #7
    GMF
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    Perfect, thanks a bunch. I'll compare that with the marathon fork this weekend and hopefully dimensions will be compatible and work in my favor :-)

  8. #8
    GMF
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    For the record, the Marathon is 82mm vs. about 118 on the older z2. Ifi put the z2 lowers on the marathon, the fork would get a lot longer. No obvious/easy compatibility.

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