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  1. #1
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    Nov 2007
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    963

    Smile 1955 Stumperjumper Post ??please Help

    Just picked up a stumperjumper comp m2,blue with a white judy,Looks to be around 1995,came with xtr with the roll'a mig jig rear del. .I need to pick up a seat post and dont know the size,any help would be great.
    ps,if anyone knows the allen head size for the rear del. hanger that would help also
    thx

  2. #2
    mtbr member
    Reputation: his dudeness's Avatar
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    May 2007
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    1,878
    Go to a bike shop and have them measure the inner tubing of your seat tube with calipers... thats really the only way to get any sort of accuracy for your seatpost size. There's a bunch of different seatpost sizes and no real benchmark standard.

    The allen key size for the replaceable deraulleur hanger is probably either a 4mm or a 3 mm. Just buy yourself a good set of L bend Bondhus ended allen wrenches. You'll need them anyway.

  3. #3
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    Jan 2006
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    Little late but, Stumpjumper M2 2005?

    30.9

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