2026 FX SPORT SL 4 MATTE ONYX CARBON
Regular price $2,599.99
FX Sport SL 4 is a carbon fibre 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.
1x drive train
A 1x drivetrain means more versatility, simpler shifting and fewer things to go wrong. You still have a wide range of gears, but with lighter and more intuitive shifting. Everything you need and nothing more.
Just-right geometry
The all-new FX Sport has slightly less reach and slightly more stack than previous models for a more comfortable yet active and fast riding position.
400 Series OCLV
Ultra high performance, within reach. The areal weight range and modulus mix of 400 Series OCLV provides an exhilarating sense of acceleration and confident handling.
Shimano CUES
Inspired by rider demand for trouble-free drivetrain longevity and performance, Shimano CUES offers a new foundation for versatility and durability across a range of both electric and standard bikes. CUES features Shimano’s new LINKGLIDE drivetrain technology for significantly increased life on wear items like chain, cassette and chainrings.
Shimano LINKGLIDE
LINKGLIDE technology has been specifically engineered for incredible durability while still delivering smooth and decisive shifting – along with a great pedalling experience. Available exclusively on Shimano CUES drivetrains.
*Please note – spec applies to all sizes unless listed separately
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Frameset |
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Frame |
400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, mudguard mounts, flat mount disc, 135x5 mm ThruSkew |
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Fork |
Carbon, hidden mudguard mounts, flat mount disc, 100x5 mm thru-skew |
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Weight |
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Weight |
M – 10.50 kg/23.15 lb |
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Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
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Drivetrain |
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Shifter |
Shimano CUES U6000 w/optical gear display, 10-speed |
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Rear derailleur |
Shimano CUES U6000 GS |
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Crank |
Prowheel alloy, 42T narrow-wide ring, 175 mm length |
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Cassette |
Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed |
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Chain |
Shimano LG500 |
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Pedal |
Bontrager City pedals |
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Max. chainring size |
1x: 44T |
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Wheels |
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Hub front |
Formula CL-51 alloy, 100x5 mm |
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Skewer front |
135x5 mm bolt-on |
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Hub rear |
Formula CL-52 alloy, 135x5 mm |
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Skewer rear |
169x5 mm bolt-on |
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Rim |
Bontrager Paradigm, Tubeless Ready, 32-hole, 21 mm width, Presta valve |
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Tyre |
Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40 c |
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Max tyre size |
42 mm without mudguards, 40 mm with mudguards |
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Components |
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Saddle |
Bontrager H1 |
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Seatpost |
Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
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*Handlebar |
Size: XS, S Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width |
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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 |
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*Stem |
Size: XS Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
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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 calliper |
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Brake rotor |
Shimano RT10, CenterLock, 160 mm |
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Rotor size |
Max brake rotor sizes: 160 mm front and 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, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.
Weights are based off pre-production products at time of publication. Weights may vary in final production.