Trek 2023 FX Sport 4 Carbon

C$2,249.99
2 In stock
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.
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The 1x drivetrain simplifies shifting without sacrificing gear range, making this high-performance bike perfect for everything from solo workouts to speedy group rides.

It's right for you if...

You're ready to log big miles, and you prefer the feel of a flat handlebar to the drop bars that come stock on most road bikes. You prioritize comfort and performance equally, and want the simplicity a 1x drivetrain provides.

The tech you get

A lightweight 400 Series OCLV Carbon frame and fork, a Shimano Deore 1x drivetrain with a wide-range cassette, hydraulic disc brakes for all-weather stopping power, a lightweight tubeless ready wheelset, wide, fast-rolling Bontrager GR1 Expert gravel tires, and a vibration-absorbing handlebar and ergonomic grips.

The final word

Fast, capable, comfortable. This bike has a road -smoothing carbon frame and quality parts that will hold up over serious miles, including the simpler-shifting 1x drivetrain.

 
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Why you'll love it

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

*Please note - spec applies to all sizes unless listed separately

Frameset
Frame with Fork 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, mudguard mounts, flat-mount disc, 135x5 mm ThruSkew
Fork Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew
Weight
Weight 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 300 pounds (136 kg).
Drivetrain
Shifter Shimano Deore M4100, 10 speed
Rear derailleur Shimano Deore M5120, long cage
Crank Prowheel alloy, 42T narrow-wide ring, 175 mm length
Cassette Shimano Deore M4100, 11-46, 10 speed
Chain KMC X10, 10 speed
Pedal Bontrager City pedals
Max chainring size 1x: 44T
Wheels
Hub front Formula CL-51 alloy, 100x5mm QR
Skewer front 135x5mm bolt-on
Hub rear Formula CL-52 alloy, 135x5mm QR
Skewer rear 169x5mm bolt-on
Rim Bontrager Paradigm, Tubeless Ready, 32-hole, 21 mm width, Presta valve
Tire Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm
Max tire size 700x42mm without fenders, 700x40mm with fenders
Components
Saddle Bontrager H1
Seatpost Bontrager alloy, 27.2mm, 12mm offset, 330mm length
*Handlebar Size: XS, S
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width
Size: M, L, XL
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width
Grips Bontrager Satellite IsoZone Plus, lock-on, ergonomic
*Stem Size: XS
Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length
Size: 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 DSK-927 hydraulic disc, flat mount, 160mm rotor
Rotor size Max brake rotor sizes: 160mm front & rear

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.

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

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