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    FX S 42017 Trek
    Recommended
    MSRP
    $1,099
    Where to Buy
    —
    $1

    At

    Category
    		Fitness
    Weight
    		22.3 lbs
    3.6
    Frame
    		Aluminum
    		Carbon
    Wheels
    		Aluminum
    Wheel Size
    		700c
    		Tektro Rim
    		Tiagra, R350
    Drivetrain
    		2 × 10
    Brand Site
    Summary
    		The Trek FX S 4 is a 700c aluminum frame fitness bike with mid-range 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)

    38 mph

    FX S 4

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    FX S 42017 Trek
    Frame

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

    Fork

    Bontrager Nebula, carbon

    Bottom Bracket

    Sealed cartridge

    Headset

    VP Slimstak, sealed semi-cartridge bearings

    Stem

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

    Handlebar

    Bontrager Satellite Plus IsoZone, 31.8mm, 15mm rise

    Saddle

    Bontrager H1

    Seatpost

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

    Type: Rigid

    Pedals

    Nylon body w/alloy cage, toe clip & strap

    Grips

    Bontrager Satellite IsoZone Plus, lock-on, ergonomic

    Groupset
    Rear Derailleur

    Shimano RD-R350

    Front Derailleur

    Shimano Tiagra

    Crank

    Shimano R460, 48/34

    Shifters

    Shimano Tiagra, 10 speed

    Cassette

    Shimano Tiagra, 11-34, 10 speed

    Chain

    KMC X10

    Brakes

    Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers

    Type: Tektro Rim

    Wheels
    Rims

    Bontrager Tubeless Ready

    Front Hub

    Formula TK31 alloy

    Rear Hub

    Formula TK32 alloy

    Tires

    Bontrager AW1 Hard-Case Lite, 700x28c

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