The Trek FX Sport SL 4 is a lightweight carbon fitness bike tailored for riders who want the swift performance of a road bike combined with the upright comfort and confident control of a flat handlebar. Built around a premium 400 Series OCLV Carbon frame and fork, it smoothly absorbs road vibrations to deliver an exceptionally comfortable, responsive ride whether you are commuting across the city, fitness training, or exploring weekend bike paths. The streamlined 1x10 Shimano CUES drivetrain simplifies shifting without sacrificing your gear range, making steep hill climbs completely intuitive. Equipped with hydraulic disc brakes for dependable stopping power in any weather, along with wide, fast-rolling gravel tyres, this versatile machine perfectly balances speed, capability, and daily practicality.
400 Series OCLV Carbon Frameset: Delivers superior road-smoothing ride quality, high stiffness, and lightweight agility.
Simplified 1x10 Shimano CUES Drivetrain: Provides a broad gear range with the effortless operation of a single shifter.
All-Weather Hydraulic Disc Brakes: Shimano hydraulic brakes ensure consistent, controllable stopping performance in wet or dry conditions.
Versatile Wide Gravel Tyres: Fitted with Bontrager GR1 Expert 700x40c tyres for enhanced traction and comfort across asphalt and light gravel.
Integrated Accessory Mounts: Features hidden mudguard mounts and DuoTrap S sensor compatibility for easy daily customization.
| Component | Specification |
| Frame | 400 Series OCLV Carbon, internal routing, 3S chain keeper, DuoTrap S compatible, mudguard mounts, flat-mount disc, 135x5 mm ThruSkew |
| Fork | FX Carbon, hidden mudguard mounts, flat-mount disc, 100x5 mm ThruSkew |
| Rear Derailleur | Shimano CUES U6000 GS, 10-speed |
| Shifters | Shimano CUES U6000 with optical gear display, 10-speed |
| Crankset | Prowheel alloy, 42T narrow-wide ring, 175 mm length |
| Chainguide | Integrated 3S chain keeper |
| BB (Bottom Bracket) | Sealed cartridge, square taper |
| Chain | KMC X Glide / Shimano LG500, 11-speed |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48T, 10-speed |
| Brakes | Shimano hydraulic disc, MT201 lever, UR300 calliper |
| Rotors | Shimano RT10, CenterLock, 160 mm (front and rear) |
| Grips | Bontrager Satellite IsoZone Plus / Trek Ergonomic PRO, lock-on |
| Handlebar | Bontrager alloy / Satellite Plus IsoZone, 31.8 mm, 15 mm rise, 660 mm width |
| Seatpost | Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
| Saddle | Bontrager Commuter Comp / H1 |
| Headset | 1-1/8" threadless, sealed cartridge bearings |
| Wheelset | Bontrager Paradigm Tubeless Ready rims (21 mm width) with Formula CL-51/CL-52 alloy hubs |
| Tyres | Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40c |
| Extras | Bontrager City pedals, Blendr-compatible stem |
| Aprox Weight | ~10.50 kg |
Road Bike Speed with Flat-Bar Comfort: Perfect if you want a fast, lightweight carbon setup without the aggressive riding position of drop handlebars.
Hassle-Free Maintenance: The modern 1x drivetrain eliminates front derailleur rub and chain drops while keeping shifting straightforward.
All-Road Versatility: The high tyre clearance and wide 40c gravel tyres let you transition smoothly from tarmac footpaths onto gravel tracks and rail trails.
Looking for Drop-Bar Aerodynamics: If you prefer traditional road race positioning and multiple hand positions for long-distance group riding, a road bike like the Domane or Emonda may be a better match.
Heavy-Duty Off-Roading Needs: While highly capable on light gravel and bike paths, it lacks the front suspension needed for rugged mountain bike trails.
For safety reasons, bikes cannot be shipped directly to consumers unassisted without full professional assembly or inspection by an authorised retailer.
