2019 Trek

FX 3

A 700c aluminum frame fitness bike with mid-range components and rim brakes.

Manufacturer Price

$699
Weight25.1 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain3 × 9
GroupsetAlivio, Acera
BrakesRim
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
FX 3
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 3

35 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'0" – 5'6"

MD

5'4" – 5'10"

LG

5'8" – 6'2"

XL

6'0" – 6'6"

XXL

6'4" – 6'8"

Rider Fit Notes
  • 6'2", size XL, 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

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

Fork

Bontrager Nebula, carbon

Bottom Bracket

Sealed cartridge

Headset

1-1/8˝ threadless, sealed 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

TypeRigid

Pedals

Bontrager Satellite City

Grips

Bontrager Satellite IsoZone Plus, lock-on, ergonomic

Groupset
Rear Derailleur

Shimano Alivio T4000

Front Derailleur

Shimano Acera

Crank

Shimano Acera M371, 48/36/26 w/chainguard

Shifters

Shimano EF65, 9 speed

Cassette

Shimano HG200, 11-34, 9 speed

Chain

KMC X9

Brakes

Tektro alloy linear-pull

TypeRim

Wheels
Rims

Bontrager Tubeless Ready, 32h

Front Hub

Formula FM21 alloy

Rear Hub

Alloy

Tires

Bontrager H2 Hard-case Lite, 700x32c

Rider Notes
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Last updated July 29
Not listed for 1,811 days