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    MSRP
    Where to Buy
    $1

    At

    Category
    Crosscountry
    Frame
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    26″
    Shimano Hydraulic Disc
    Deore, Alivio
    Drivetrain
    3 × 9
    Brand Site
    Summary
    The Trek 4500 Disc is a 26″ aluminum frame crosscountry bike with upper mid-range components.

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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)

    31 mph

    4500 Disc

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Alpha Gold Aluminum w/semi-integrated head tube, butted and hydroformed tubing, internal front derailleur cable routing, replaceable derailleur hanger

    Headset

    1-1/8" threadless, semi-integrated, semi-cartridge bearings

    Stem

    Bontrager SSR, 31.8mm, 10 degree

    Handlebar

    Bontrager Low Riser, 31.8mm, 15mm rise, 9 degree sweep

    Saddle

    Bontrager Evoke 1

    Seatpost

    Bontrager SSR, 31.6mm, 20mm offset

    TypeRigid

    Pedals

    Wellgo nylon platform

    Groupset
    Rear Derailleur

    Shimano Deore

    Front Derailleur

    Shimano Acera

    Crank

    Shimano Alivio, 44/32/22

    Shifters

    Shimano Alivio, 9 speed

    Cassette

    Shimano HG20 11-34, 9 speed

    Brakes

    Shimano M395 hydraulic disc brakes

    TypeShimano Hydraulic Disc

    Wheels
    Rims

    Formula DC20 LW alloy front hub; Formula DC22 LW alloy rear hub w/Bontrager AT-650 32-hole double-walled rims

    Tires

    Bontrager XR2, 26x2.20"

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