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  1. #1
    Junior Member
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    Trek 800 Frame help

    Hi everyone,

    I am trying to build a single speed road bike from a stripped down Trek 800 Sport Frame.

    1. Can I use wheels which are larger than 26" with the small frame?
    2. Does anyone have any suggestions for a new lightweight crank and handlebar stem that will be compatible with this frame?

    Components
    Chain 1/2 x 3/32"
    Handlebar Stem Hi tensile steel, rise
    Headset 1 1/8" sealed mechanism

    Crankset Sun Race FC-M35, 28/38/48 teeth

    Wheels
    Hubs Aluminum, Q/R
    Rims Matrix 550
    Tires 26 x 1.95" Bontrager Connection
    Spoke Brand Stainless steel, 14ga. (2.0mm) straight gauge

  2. #2
    Still learning oddjob2's Avatar
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    May 2012
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    no on the wheels. brakes won't lineup with rims.
    if you're worried about weight, why a low end mtb frame?
    Life is like riding a bicycle. To keep your balance you must keep moving. Albert Einstein
    2014 Additions: 1985 Trek 560, 1992 Trek Multitrack 700 (my 2nd), 1994 Trek Carbon 2200, Peugeot PX-10, 1981 Schwinn Voyageur 11.8, 1989 Bridgestone RB-1, Miyata 912

  3. #3
    Senior Member
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    Specialized Sequoia Elite/Motobecane Fantom Cross Team Ti/'85 Trek 520
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    You can possibly use 700c wheels if you do not use the canti posts and instead use caliper brakes. I have put 700c/27 inch wheels in 26" mountain bike frames and used caliper brakes instead of canti/v-brakes.

    You can easily enough make it a single speed (not fixed gear) with a chain tensioner but no to making it a fixie if you want to do this cheaply. It has vertical dropouts which do not work well at all with fixed gear bikes.

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