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    Recommended
    RRP
    Where to Buy
    Category
    Crosscountry
    Frame
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    26″
    Rim
    Altus
    Drivetrain
    3 × 7
    Suspension
    Hardtail
    Front Travel
    70mm
    Brand Site
    Summary
    The Trek 4100 is a 26″ aluminum frame hardtail crosscountry bike with modest components and 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)

    46 km/h

    4100

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Oversized Alpha™ Aluminum offers the increased durability and strength to handle the most rugged trails.

    Fork

    InSync Grind 320, 70mm travel

    Travel70mm

    Headset

    AHS 1-1/8" semi cartridge, sealed

    Stem

    Alloy AHS, 25˚ (men’s), 40˚ (women’s)

    Handlebar

    High tensile steel, 30mm rise

    Saddle

    Trek ATB

    Seatpost

    Alloy micro-adjust

    TypeRigid

    Pedals

    Nylon platform

    Groupset
    Rear Derailleur

    Shimano Altus

    Front Derailleur

    Shimano C051

    Crank

    Suntour XCC-100 48/38/28

    Shifters

    Shimano EF29

    Cassette

    Shimano ZH37 13-34, 7spd

    Brakes

    w/ levers

    TypeRim

    Wheels
    Rims

    Matrix 550 rims; alloy hubs; 14G, black spokes

    Tires

    ,

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