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    Jack 12007 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 Jack 1 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

    Jack 1

    Highest gear

    (descending)

    Geometry
    Specs
    Jack 12007 Trek
    Frame

    Alpha Aluminum

    Headset

    Aheadset w/semi-cartridge bearings, sealed

    Stem

    Bontrager Earl, 10 degree, 31.8mm

    Handlebar

    Bontrager Earl, 50mm rise, 31.8mm

    Saddle

    Bontrager Earl Jump

    Seatpost

    Bontrager Sport

    Type: Rigid

    Pedals

    Alloy platform

    Groupset
    Rear Derailleur

    Shimano Acera

    Front Derailleur

    Shimano C050

    Crank

    Shimano M341 42/32/22

    Shifters

    Shimano EF50, 8 speed

    Cassette

    SRAM PG830 11-32, 8 speed

    Brakes

    Tektro V w/Shimano EF50 levers

    Type: Tektro Rim

    Wheels
    Rims

    Shimano M475 disc hubs; Bontrager Camino rims

    Tires

    Bontrager Earl, 26x2.4", 27 tpi

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