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  1. #1
    mtbr member
    Join Date
    Jun 2008

    Lighten/upgrade 08 FuelEX 5.5

    i bought a new 2008 trek fuelex 5.5 about 2 months ago. i love the bike and it has helped me increase my riding abilities (i got too confident and busted my collar bone last week). but anyways, i would like to invest in some upgraded components to help reduce the weight of the bike as much as possible. what should i consider? rims, crank set, etc?
    also, is it possble to put a wider rear tire on this frame? where i ride gets loose sugar sand when it is dry out os i think the wider tire will help with climbing in the sand

    love this forum, thanks for the advice.

  2. #2
    Lionel Hutz, Esq.
    Reputation: Thirdrawn's Avatar
    Join Date
    Mar 2007
    I'd look at some wheel upgrades first. Decreasing rotating mass will help with acceleration and will be the most noticable upgrade. Be prepared to spend a few hundred, though. Look at some Bonty Race Lights - Great wheels, tubeless ready, and you can get replacement spokes at any bike shop.

    You could probably put a slightly wider tire in the back, maybe up to a 2.3 or so without worries. Maybe just try to go tubeless and run a lower pressure to get a larger tire print for now.

    Probably go for a two-piece integrated crankset. Now that the Shimano LX group has been terminated, you can probably find a good deal on some LX two-piece cranks - again, rotating mass.

    If you didn't want to upgrade to hydraulic discs, I'd at least get a nice cableset to give you a better feel of the brakes. Jagwires are good, so are Shimano XTRs.

    The most noticable upgrade is going to be the wheels, hands down. You could spend less and get a little bling by upgrading (and reducing weight) of smaller stuff, but for performance upgrades, go for wheels and be prepared to shell out some cash - well worth it.
    2007 Trek Fuel EX 8
    1999 Trek 7000 --- Dragonfly Green = Sexy
    2002 Trek 2100
    2008 Felt New Belgium Cruiser

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