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  1. #1
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    Bicycle choice for trekking conversion

    I'm looking to convert one of my existing flat-bar bikes to a loaded trekking bike. The project will be mainly a handlebar/stem swap for trekking bars and the addition of fenders and racks (and possibly the upgrade from 7-speed to 9-speed. Both of them currently have freewheels, If I replace the wheels I'll also get new shifters).

    I have 2 possible base bikes for this conversion a 2000 Giant Upland and a 2009 Trek FX7.1. I've made a list of differences between them but still can't decide which one to use for the conversion.

    Material: The Giant claims to be 4130 steel (it must be thick because it feels heavy) and the trek is 6000 series aluminum (Trek doesn't publish the exact alloy used). I personally never felt the harshness of aluminum.
    Wheels: The Giant has 26" wheels and the Trek has 700c wheels. I like 700c because my other bikes are all 700c.
    Headset: The Giant has a traditional threaded headset (it least that is what it looks like from the outside) and the Trek has a threadless slimstak.
    Fork: The Trek has mid-fork eyelets.
    Braze-ons: The Trek has 1 set of bottle cage mounts and the Giant has 2 sets.

    Right now I'm think of having a shop install another set (or 2) of rivnuts on the Trek but I wanted to hear other opinions before I modify the frame.

  2. #2
    Senior Member wahoonc's Avatar
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    Different stroke for different folks?

    I have two touring rigs that I use depending on the load and the time of year. I also tour on some other bikes, but these are my main two. The Iguana is used for the heavier loads and if I am riding a lot of gravel or fire trails, the Excursion if I am mainly on the road and want to move a bit faster.

    Aaron

    1989 Giant Iguana MTB conversion



    1989 Giant Excursion converted to drops and brifters

    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
    _Nicodemus

    "Steel: nearly a thousand years of metallurgical development
    Aluminum: barely a hundred
    Which one would you rather have under your butt at 30mph?"
    _krazygluon

  3. #3
    Senior Member
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    Bezalel, I read that the Alpha 6000 series aluminum is 6013 T6. Either bike is a good choice, pick which you think will cover your goals better.

    Brad

  4. #4
    The Left Coast, USA FrenchFit's Avatar
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    If by trekking you mean bad roads or dirt roads I'd definitely pick 26" rims and appropriate tires. If by trekking you mean cruising at 15mph+ with your load and charging up hills I'd be on a 700 wheelset with the lightest tires I could get away with.

  5. #5
    coprolite fietsbob's Avatar
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    I toured on a freewheel hub, bought 1 of Phil Wood's.. their axles don't bend.
    Ff, above nails the wheel choice.. going abroad, remote roads,
    26" tires are more common to find spares, than wider 700c.

    trekking bars on 2 bikes of mine.. MTB controls .. on the center rear,
    but I usually have my hands elsewhere, forward, on the bars many bends..

  6. #6
    Senior Member
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    I've decided to use the Trek. Here is the before pic:
    IMAG0150.jpg
    For those of you that have done this conversion with the Nashbar handlebar, how much will I need to adjust my stem in order to get the grips in the same position? I already have the handlebar on backorder and am ready to start looking at stems.

  7. #7
    Senior Member
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    Bezalel, Mount the handle bars and evaluate before ordering a new stem.

    Brad

  8. #8
    Senior Member wahoonc's Avatar
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    I used an adjustable stem to get the bars up to a level that I was comfortable with. I may lower them a bit as things progress.

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
    _Nicodemus

    "Steel: nearly a thousand years of metallurgical development
    Aluminum: barely a hundred
    Which one would you rather have under your butt at 30mph?"
    _krazygluon

  9. #9
    Senior Member
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    I'll just start with whatever 25.4mm stems I have in my parts bucket and hopefully I'll be able to figure out what size I need.

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