Trek FX Sport SL 4
$2,799.00
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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. It's right for you if...
Why you'll love it
- A fitness bike that's every bit as fast and capable as the race bikes found in our road line-up
- The wireless 1x drivetrain delivers precise shifting and keeps cables to a minimum
- Its hydraulic brake cables are routed internally, protecting them from the elements and adding to the bike's sleek look
- It's easy to accessorise with mudguards, lights and more!
Please note – spec applies to all sizes unless listed separately
FRAMESETFrame 400 series OCLV Carbon, internal routing, 3s chain keeper, DuoTrap S compatible, mudguard mounts, flat mount disc, 135x5 mm ThruSkew Fork Carbon, hidden mudguard mounts, flat mount disc, 100x5 mm thru-skew WEIGHTWeight M – 10.50 kg/23.15 lb Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). DRIVETRAINRear derailleur Shimano CUES U6000 GS Crank Prowheel alloy, 42T narrow-wide ring, 175 mm length Shifter Shimano CUES U6000 w/optical gear display, 10-speed Cassette Shimano CUES LG300, LINKGLIDE, 11-48, 10-speed Chain Shimano LG500 Pedal Bontrager City Pedals Max. chainring size 1x: 44T WHEELSHub front Formula CL-51 alloy, 100x5 mm Hub rear Formula CL-52 alloy, 135x5 mm Skewer front 135x5 mm bolt-on Skewer rear 169x5 mm bolt-on Tyre Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40 mm Max tyre size 42mm without mudguards, 40mm with mudguards COMPONENTSSaddle Bontrager H1 Seatpost Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length *Handlebar Size: S
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm widthSize:M,L
Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 660 mm width
Grips Bontrager Satellite IsoZone Plus, lock-on, ergonomic *Stem Size: S, M
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm lengthSize: L
Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm lengthBrake Shimano hydraulic disc, MT201 lever, UR300 calliper Brake rotor Shimano RT10, CenterLock, 160 mm Rotor size Max brake rotor sizes: 160 mm front and rear **Trek Bikes 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.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
Size Rider Height Inseam XS 147 - 155 cm
4'10" - 5'1"
69 - 73 cm
27" - 29"
S 155 - 165 cm
5'1" - 5'5"
72 - 78 cm
28" - 31"
M 165 - 175 cm
5'5" - 5'9"
77 - 83 cm
30" - 33"
L 175 - 186 cm
5'9" - 6'1"
82 - 88 cm
32" - 35"
XL 186 - 197 cm
6'1" - 6'6"
87 - 93 cm
34" - 37"