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Thread: fork sizing

  1. #1
    mtbr member
    Join Date
    May 2011

    fork sizing

    so i need to replace my Marzocchi 44 TST2 140mm fork. what do i need to look for in terms of sizing, i need 15mm through axel so as not to have to buy a new wheel but what else if anything should i be looking for?

  2. #2
    mtbr member
    Reputation: Shakester's Avatar
    Join Date
    Jun 2012
    You have to know what kind of steerer tube you have, whether its tapered or straight. If you're buying a used one, you also have to measure your steerer tube length to make sure you get one that is long enough. For the travel, its always a good idea to go with the recommended travel so if your bike came with a 140mm, then you'd want to stick to that, which more than likely has a 32mm stanchion. If you find a deal on one with more or less travel, it should be close enough to where it won't change the geometry of your bike too much. A shorter travel fork will make your bike more twitchy on turns and a slightly longer one will have the opposite effect.

  3. #3
    mtbr member
    Join Date
    May 2011
    thanks, is there any easy way to tell what kind of steerer or should i just take the fork off and check?

  4. #4
    I ride bikes
    Reputation: moefosho's Avatar
    Join Date
    Apr 2013
    The headtube of the frame would be tapered if it has a tapered steer tube. I dont think that fork comes tapered but I could be wrong.

  5. #5
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    Reputation: mevadus's Avatar
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    Oct 2009
    What Shakester said, but just remember when measuring you must include your headset length on both sides of the headtube, the headtube length, and the length of the part of the stem the steerer-tube passes through, plus any spacers you want to put between the top of your head-tube and the bottom of your stem.

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