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.
| Frame with Fork | 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 135x5mm ThruSkew |
|---|---|
| Fork | Carbon, hidden fender mounts, flat mount disc, 100x5mm thru-skew |
| 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). |
| Shifter | Shimano Deore M4100, 10 speed |
| Rear derailleur | Shimano Deore M5120, long cage |
| *Crank |
Size:
XS, S Prowheel alloy, 42T narrow-wide ring, 170mm length |
|
Size:
M, L, XL Prowheel alloy, 42T narrow-wide ring, 175mm length |
|
| Cassette | Shimano Deore M4100, 11-46, 10 speed |
| Chain | KMC X10, 10 speed |
| 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, 21mm width, Presta valve |
| Tire | Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40mm |
| Max tire size | 700x42mm without fenders, 700x40mm with fenders |
| Saddle | Bontrager H1 |
| Seatpost | Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
| *Handlebar |
Size:
XS, S Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 600mm width |
|
Size:
M, L, XL Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise, 660mm width |
|
| Grips | Bontrager Satellite IsoZone Plus, lock-on, ergonomic |
| *Stem |
Size:
XS Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length |
|
Size:
S, M Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 100mm length |
|
|
Size:
L, XL Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 110mm length |
|
| Brake Set | Promax DSK-927 hydraulic disc, flat mount, 160mm rotor |
| Rotor size | Max brake rotor sizes: 160mm front & rear |