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  1. #1
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    Fork mod for new trek mt220?

    I just purchased 2 mt220s for my 2 boys. I love the bikes, but would like to soften up the forks a bit. Any ideas how to mod the stock forks? If they decide to really start ripping we'll upgrade them in the future. But would like to do something to thier existing bikes.
    Trek Fuel EX 8 29er.

  2. #2
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    Take one of your forks apart, see how the springs are configured. If there are two springs, you might be able to remove one of them to soften the fork or else change out the spring with a softer generic hardware store spring.

    Some of the cheapest (junkyist) kid bike forks I have disassembled utilize the same compression spring to also prevent the fork from over-extending and falling apart. Such forks have the spring coils wound over a onto a coarsly threaded spacer to retain the spring on both ends. It would be much more challanging to find a suitable replacement spring to work safely on such a fork (at risk of the fork separating in two).

  3. #3
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    Thanks. I'll have to take a wrench to them and see how they work! Not sure what brand trek uses on this bike.
    Trek Fuel EX 8 29er.

  4. #4
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    Take a look at this thread. There are a few different ideas on things you can do.

    Increasing SR Suntour 40mm travel fork to 60mm

  5. #5
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    Thanks! I searched but never saw that one. Not sure what the make of the fork is, but I'll take a look.
    Trek Fuel EX 8 29er.

  6. #6
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    Quote Originally Posted by burbskate View Post
    Thanks! I searched but never saw that one. Not sure what the make of the fork is, but I'll take a look.
    I think you will find most of the cheapie forks similar in design. There are a few different ideas from springs to elastomer that you can use. Good luck.

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