2020 Trek

FX Sport 4 Women's

A 700c aluminum frame women’s fitness bike with mid-range components and hydraulic disc brakes.

Manufacturer Price

$1,199
Weight22.9 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 10
GroupsetTiagra
BrakesHydraulic Disc
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
FX Sport 4 Women's
Other Fitness bikes
Gearing

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 Sport 4 Women's

35 mph

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Highest gear

(descending)

Sizing
XS

4'9" – 5'2"

SM

5'0" – 5'6"

MD

5'4" – 5'10"

LG

5'8" – 6'2"

Rider Fit Notes
  • 5'9", size LG, Just right
Reviews
BikeRadar
Trek FX Sport 6 review

Nov 2018 · Ian Osborne

High-class fitness bike with proven road technology and a classy component package. Buy if you want a capable, high-spec yet sensible-handling bike with a flat bar

Highs
  • Comfortable-yet-fun ride, IsoSpeed decoupler, lightweight, Shimano 105

Lows
  • Cost is the biggest one, funky-looking grips, only available in black

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

200 Series Alpha Aluminum, DuoTrap S compatible, internal cable routing, flat mount disc, rack & fender mounts, 135x5mm QR

Fork

Size: XS, S, FX Carbon, threadless alloy steerer, hidden fender mounts, flat mount disc, 405mm axle-to-crown, 100x12mm thru axle; Size: XS, S, FX Carbon, flat mount disc, hidden fender mounts, 405mm axle-to-crown, 100x12mm thru axle

Headset

1-1/8'' threadless, sealed cartridge bearings

Stem

Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length

Handlebar

Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600mm width

Saddle

Bontrager H1 Women's

Seatpost

Bontrager alloy, 27.2mm, 12mm offset, 330mm length

TypeRigid

Pedals

Wellgo M141, resin body, alloy cage

Grips

Bontrager Satellite IsoZone Plus, lock-on, ergonomic

Groupset
Rear Derailleur

Shimano Tiagra 4700, medium cage

Front Derailleur

Shimano Tiagra 4700, 34.9mm clamp, down swing

Crank

Shimano R460, 48/34, 170mm length

Shifters

Shimano Tiagra 4700, 10 speed

Cassette

Shimano Tiagra HG500, 11-34, 10 speed

Brakes

Shimano MT201 hydraulic disc, flat mount, 160mm rotor

TypeHydraulic Disc

Wheels
Rims

Bontrager Tubeless Ready Disc, 32-hole, presta valve

Spokes

14g, stainless steel, black

Front Hub

Formula alloy, centerlock disc, 100x12mm thru-axle

Rear Hub

Formula alloy, centerlock disc, 135x5mm QR

Tires

Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c

Rider Notes
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Last updated September 28
Not listed for 1,300 days