FX Sport 4 Carbon
$2,699.00
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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.
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- 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 accessorise with mudguards, lights and more!
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*spec applies to all sizes unless listed separately
FRAMESETFork Carbon, hidden mudguard mounts, flat mount disc, 5x100 mm thru-skew WHEELSHub front Formula CL-51 alloy, 100x5 mm QR Hub rear Formula CL-52 alloy, 135x5 mm QR Rim Bontrager Paradigm, Tubeless Ready, 32-hole, 21 mm width, Presta valve Tyre Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40 c Max tyre size 42c without mudguards, 40c with mudguards DRIVETRAINShifter Shimano Deore M4100, 10 speed Rear derailleur Shimano Deore M5120, long cage Crank Prowheel alloy, 42T narrow-wide ring, 175 mm length, Presta valve Cassette Shimano Deore M4100, 11-46, 10-speed Chain KMC X10, 10-speed Pedal Bontrager City Pedals Max. chainring size 44T COMPONENTSSaddle Bontrager H1 Seatpost Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length *Handlebar Size: XS, S
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm widthSize: M, L, XL
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm widthGrips Bontrager Satellite IsoZone Plus, lock-on, ergonomic *Stem Size: XS
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm lengthSize: S, M
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 100 mm length
Size: L, XL
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length
Brake Set Promax DSX-927 hydraulic disc, flat mount, 160 mm rotor Rotor size Max brake rotor size: 160 mm WEIGHTWeight M - 10.74 kg / 23.68 lbs Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). **Trek Bikes 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, colours, materials and pricing.
**Weights are based off pre-production products at time of publication. Weights may vary in final production.
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Size
Rider Height
Inseam
XS
147 - 155 cm
4'10" - 5'1"
69 - 73 cm
27" - 29"
S
155 - 165 cm
5'1" - 5'5"
72 - 78 cm
28" - 31"
M
165 - 175 cm
5'5" - 5'9"
77 - 83 cm
30" - 33"
L
175 - 186 cm
5'9" - 6'1"
82 - 88 cm
32" - 35"
XL
186 - 197 cm
6'1" - 6'6"
87 - 93 cm
34" - 37"