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    39002005 Trek
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    Frame
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		26″
    		Tektro Rim
    		Acera
    Drivetrain
    		3 × 8
    Brand Site
    Summary
    		The Trek 3900 is a 26″ aluminum frame crosscountry bike with modest components and tektro rim brakes.

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    Insights
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    30 mph

    3900

    Highest gear

    (descending)

    Geometry
    Specs
    39002005 Trek
    Frame

    Alpha Aluminum

    Headset

    Aheadset, semi-cartridge, sealed

    Stem

    Bontrager, 25.4, 25 degree

    Handlebar

    25.4, 30mm rise

    Saddle

    Bontrager Sport

    Seatpost

    Bontrager

    Type: Rigid

    Pedals

    Nylon platform

    Groupset
    Rear Derailleur

    Shimano Acera

    Front Derailleur

    Shimano C050

    Crank

    SR 42/34/24

    Shifters

    Shimano EF29

    Cassette

    SRAM 850 11-32, 8 speed

    Brakes

    Tektro V w/Shimano STI levers

    Type: Tektro Rim

    Wheels
    Rims

    Alloy front, Shimano RM30 rear hub; Matrix 550 rims

    Tires

    Bontrager Connection Trail, 26x2.0"

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