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  • FX Sport 4
Accessories shown here are sold separately
Accessories shown here are sold separately
Accessories shown here are sold separately
Accessories shown here are sold separately
Accessories shown here are sold separately
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
FX Sport 4
ARCHIVED
2018-2019

FX Sport 4

Model 549613

FX Sport 4 is where performance fitness bikes begin. A lightweight frame, 20-speed drivetrain, and a wealth of performance features give this fitness bike the capability to take on longer commutes and faster recreational rides without sacrificing the versatility that has made FX Trek's best-selling lineup ever.

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Comp. Value

Our “Comparable Value” (Comp. Value) prices are based on the prices charged by Trek or other retailers, in-store or online, for the same or similar items. In most cases, this is a price at which Trek has offered the item for sale, and also the MSRP we provide to third-party resellers based on the prices of competing items in the market.

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  • Frameset

    Frame
    200 Series Alpha Aluminum, DuoTrap S compatible, rack & fender mounts
    Fork
    FX carbon, flat mount disc, hidden fender mounts

  • Wheels

    Front hub
    Formula alloy, centerlock disc, 12mm thru axle, 32h
    Rear hub
    Formula alloy, centerlock disc, QR, 32h
    Rims
    Bontrager Tubeless Ready Disc, 32h
    Tires
    Bontrager AW1 Hard-Case Lite, 700x32c

  • Drivetrain

    Shifters
    Shimano Tiagra rapid-fire, 10 speed
    Front derailleur
    Shimano Tiagra
    Rear derailleur
    Shimano RD-4700 Tiagra
    Crank
    Shimano R460, 48/34
    Bottom bracket
    Sealed cartridge, external cup
    Cassette
    Shimano Tiagra, 11-34, 10 speed
    Chain
    KMC X10
    Pedals
    Resin body, alloy cage

  • Components

    Saddle
    Bontrager H1
    Seatpost
    Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset
    Handlebar
    Bontrager Satellite Plus IsoZone, 31.8mm, 15mm rise
    Grips
    Bontrager Satellite IsoZone Plus, lock-on, ergonomic
    Stem
    Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts
    Head set
    1-1/8˝ threadless, sealed cartridge bearings
    Brake set
    Shimano MT-201, hydraulic disc

  • Weight

    Weight
    M - 10.30 kg / 22.7 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.