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    Recommended
    MSRP
    Where to Buy
    $1

    At

    Category
    Hybrid
    6.2
    Frame
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    700c
    Tektro Hydraulic Disc
    Alivio, Acera
    Drivetrain
    3 × 9
    Brand Site
    Summary
    The Trek 8.4 DS is a 700c aluminum frame hybrid bike with mid-range components and tektro hydraulic 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)

    38 mph

    8.4 DS

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Alpha Gold Aluminum, DuoTrap S compatible, rack & fender mounts

    Headset

    1-1/8" threadless, sealed cartridge bearings

    Stem

    Bontrager Blendr Elite, w/computer & light mounts, 31.8mm, 7 degree

    Handlebar

    Bontrager Low Riser alloy, 31.8mm, 15mm rise

    Saddle

    Bontrager H1

    Seatpost

    Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset

    TypeRigid

    Pedals

    Wellgo nylon body w/alloy cage

    Groupset
    Rear Derailleur

    Shimano Alivio M430

    Front Derailleur

    Shimano Acera

    Crank

    FSA Dyna Drive, 48/36/26

    Shifters

    Shimano Acera M390, 9 speed

    Cassette

    SRAM PG 950, 11-32, 9 speed

    Brakes

    Tektro M290 hydraulic disc

    TypeTektro Hydraulic Disc

    Wheels
    Rims

    Formula alloy hubs, Bontrager Tubeless Ready disc rims

    Tires

    Bontrager LT2 Comp, 700x38c

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