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Trek FX Sport 4

Trek FX Sport 4
  • Color: Dark Aquatic
  • Color: Lithium Grey
  • Color: Trek White
$1,799.99
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Details

FX Sport 4 is a carbon fiber fitness bike for riders who want the speed of a lightweight road bike with the comfort and control of a flat handlebar. The 1x drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides.

- The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter
- You get the superior ride quality of carbon without the bank-breaking price
- On your left, roadie! This fitness bike is more than capable of taking on speedy group road rides
- It's easy to accessorize with fenders, lights, and more!

Geo Chart

Geometry Chart:
SizeX-SmallSmallMediumLargeX-Large
A — Seat tube (cm) 35.6 40.6 45.7 50.8 55.9
B — Seat tube angle 75.0° 74.5° 74.0° 73.5° 72.5°
C — Head tube length (cm) 11.5 14 16.5 19 21.5
D — Head angle 70.0° 70.5° 71.0° 71.5° 72.5°
E — Effective top tube (cm) 52.8 54.3 56.3 58.3 61.3
F — Bottom bracket height (cm) 28.5 28.5 28.5 28.5 28.5
G — Bottom bracket drop (cm) 6.5 6.5 6.5 6.5 6.5
H — Chainstay length (cm) 44.2 44.2 44.2 44.2 44.2
I — Offset (cm) 5 5 5 5 5
J — Trail (cm) 7.4 7.1 6.8 6.4 5.8
K — Wheelbase (cm) 104.7 105.4 106.5 107.5 108.2
L — Standover (cm) 70.8 75.1 78.7 81.2 84.8
M — Frame reach (cm) 38.3 38.5 39.3 40 41
N — Frame stack (cm) 54.3 56.8 59.4 62 64.8
Sizes:
SizeHeight (inches)Height (cm)
X-Small 4’10” - 5’1” 147 - 155cm
Small 5’1” - 5’5” 155 - 165cm
Medium 5’5” - 5'9" 165 - 175cm
Large 5’9” - 6'1" 175 - 186cm
X-Large 6’1” - 6'6" 187 - 197cm

Specs

Frame 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew
Fork FX Carbon, threadless alloy steerer, hidden fender mounts, flat mount disc, 5x100mm thru-skew
Rims Bontrager Paradigm, Tubeless Ready, 32-hole, 21mm width, presta valve
Hubs Front: Formula CL-51 alloy, 100x5mm QR
Rear: Formula CL-52 alloy, 135x5mm QR
Tires Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40c
Crankset Prowheel alloy, 42T narrow-wide ring
Shifters Shimano Deore M4100, 10 speed
Rear Derailleur Shimano Deore M5120, long cage
Cassette/Freewheel Shimano Deore M4100, 11-46, 10 speed
Chain KMC X10, 10 speed
Brakes Promax DSK-927 hydraulic disc, flat mount, 160mm rotor
Handlebars Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise
Tape/Grips Bontrager Satellite IsoZone Plus, lock-on, ergonomic
Stem Bontrager Elite, 31.8mm, Blendr compatible, 7 degree
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Saddle Bontrager H1
Pedals Bontrager City pedals

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
Dark Aquatic / Small 601842667033 5267818 FXS26391817C
Dark Aquatic / Large 601842667019 5267820 FXS26886310C
Trek White / Medium 601842666975 5267828 FXS24701978E
Trek White / Large 601842666968 5267830 FXS24966930E

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