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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 pe
| Frame | 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 | M - 10.50 kg / 23.15 lbs |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
| Shifter | Shimano CUES U6000 w/optical gear display, 10 speed |
|---|---|
| Rear derailleur | Shimano CUES U6000 GS |
| Crank | Prowheel alloy, 42T narrow-wide ring, 175 mm length |
| Cassette | Shimano CUES LG300, LINKGLIDE, 11-48, 10 speed |
| Chain | Shimano LG500 |
| Pedal | Bontrager City pedals |
| Max chainring size | 1x: 44T |
| 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, 700x40 c |
| Max tire size | 42mm without fenders, 40mm with fenders |
| 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 |
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| 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 |
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| Size: L, XL Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 110 mm length |
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| Brake | Shimano hydraulic disc, MT201 lever, UR300 caliper |
| Brake rotor | Shimano RT10, CenterLock, 160 mm |
| 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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