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    4500 Disc2011 Trek
    Recommended
    MSRP
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    Frame
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		26″
    		Shimano Hydraulic Disc
    		Alivio
    Drivetrain
    		3 × 9
    Brand Site
    Summary
    		The Trek 4500 Disc is a 26″ aluminum frame crosscountry bike with 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)

    30 mph

    4500 Disc

    Highest gear

    (descending)

    Geometry
    Specs
    4500 Disc2011 Trek
    Frame

    Alpha Black Aluminum w/semi-integrated head tube, formed down tube w/integrated gusset, formed top tube, monostay seatstay, forged dropouts w/rack & fender mounts, replaceable derailleur hanger

    Headset

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

    Stem

    Bontrager SSR, 31.8mm

    Handlebar

    Bontrager SSR, 31.8mm, 25mm rise

    Saddle

    Bontrager Evoke 1

    Seatpost

    Bontrager SSR, 31.6mm, 20mm offset

    Type: Rigid

    Pedals

    Wellgo alloy platform

    Groupset
    Rear Derailleur

    Shimano Alivio

    Front Derailleur

    Shimano Alivio

    Crank

    Shimano Alivio, 42/32/22

    Shifters

    Shimano Alivio, 9 speed

    Cassette

    SRAM PG-950 11-34, 9 speed

    Brakes

    Shimano M445 hydraulic disc brakes

    Type: Shimano Hydraulic Disc

    Wheels
    Rims

    Shimano alloy M65 hubs; Bontrager Ranger 32-hole rims

    Tires

    Bontrager XR2, wire bead, 26x2.1"

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