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    Recommended
    MSRP
    Where to Buy
    $1

    At

    Category
    Crosscountry
    Frame
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    26″
    Hayes Mechanical Disc
    Alivio
    Drivetrain
    3 × 8
    Brand Site
    Summary
    The Trek Jack 2 is a 26″ aluminum frame crosscountry bike with mid-range components and hayes mechanical disc 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

    Jack 2

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Alpha Aluminum

    Headset

    Aheadset w/semi-cartridge bearings, Cro-Moly

    Stem

    Bontrager Earl, 10 degree, 31.8mm

    Handlebar

    Bontrager Big Earl, 70mm rise, 31.8mm

    Saddle

    Bontrager Big Earl Jump

    Seatpost

    Bontrager Sport

    TypeRigid

    Pedals

    Alloy platform

    Groupset
    Rear Derailleur

    Shimano Alivio

    Front Derailleur

    Shimano Alivio

    Crank

    Bontrager Big Earl 42/32/22

    Shifters

    Shimano Alivio, 8 speed

    Cassette

    SRAM PG830 11-32, 8 speed

    Brakes

    Hayes MX-2, mechanical disc, 8" front, 6" rear

    TypeHayes Mechanical Disc

    Wheels
    Rims

    Shimano M475 disc hubs; Sun Ditch Witch rims

    Tires

    Bontrager Earl, 26x2.4", 27 tpi

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