Trek FX Sport 4 2021
2021 Urban
Estimate price |
1,819$
Weight | 9.55 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset GRX 800, 105 -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
147cm - 156cm
SM
154cm - 166cm
MD
164cm - 176cm
LG
174cm - 187cm
XL
185cm - 197cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
400 series OCLV carbon, IsoSpeed, internal routing, 3s chain keeper, DuoTrap S compatible, fender mounts, flat mount disc, 142x12mm thru axle
Suspension Fork
FX Carbon, threadless alloy steerer, hidden fender mounts, flat mount disc, 405mm axle-to-crown, 100x12mm thru axle
Drivetrain
Rear Derailleur
Shimano GRX RX812, long cage, 42T max cog
Shift Levers
Shimano RS700, 11 speed
Cassette
Shimano SLX M7000, 11-42, 11 speed
Crank
Size: XS, S, Shimano GRX RX600, 40T ring, 170mm length; Size: M, L, XL, Shimano GRX RX600, 40T ring, 175mm length
Bottom Bracket
Shimano BB71, 86.5mm, PressFit
Chain
Shimano HG601
Wheels
Front Hub
Formula alloy, centerlock disc, 100x12mm thru-axle
Rear Hub
Shimano RXC400, centerlock, Shimano 11-speed freehub, 142x12mm thru axle
Rims
Bontrager Tubeless Ready Disc, 32-hole, presta valve
Spokes
14g stainless steel
Tires
Bontrager R1 Hard-Case Lite, wire bead, 60 tpi, 700x32c
Brakes
Brakes
Size: XS, S, M, L, XL, Shimano hydraulic disc, MT201 lever, UR300 caliper; Size: XS, S, M, L, XL, Shimano MT201 hydraulic disc, flat mount, 160mm rotor
Disk Rotors
Shimano RT10, centerlock, 160mm
Cockpit
Stem
Size: XS, Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length; Size: S, M, Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length; Size: L, XL, Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm 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
Headset
1-1/8'' threadless, sealed cartridge bearings
Seat
Saddle
Bontrager H1
Seatpost
Bontrager alloy, 27.2mm, 12mm offset, 330mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.37 mm | 1.41 mm | 1.44 mm | 1.49 mm | 1.52 mm |
| Bottom Bracket Height | 285 mm | 285 mm | 285 mm | 285 mm | 285 mm |
| Front Center | 615 mm | 626 mm | 637 mm | 642 mm | 650 |
| Rake | 50 mm | 50 mm | 49 mm | 45 mm | 44 mm |
| Trail | 74 mm | 71 mm | 70 mm | 67 mm | 63 mm |
| Stack | 540 mm | 565 mm | 591 mm | 618 mm | 647 mm |
| Reach | 395 mm | 402 mm | 410 mm | 416 mm | 426 mm |
| Top Tube Length | 538 mm | 557 mm | 577 mm | 597 mm | 627 mm |
| Seat Tube Angle | 75 ° | 74.5 ° | 74 ° | 73.5 ° | 72.5 ° |
| Seat Tube Length | 356 mm | 406 mm | 457 mm | 508 mm | 559 mm |
| Head Tube Angle | 70 ° | 70.5 ° | 71 ° | 71.5 ° | 72.5 ° |
| Head Tube Length | 110 mm | 135 mm | 160 mm | 185 mm | 210 mm |
| Chainstay Length | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
| Wheelbase | 1052 mm | 1063 mm | 1074 mm | 1079 mm | 1087 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm | 65 mm | 65 mm |
| Standover Height | 691 mm | 719 mm | 750 mm | 788 mm | 825 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 147 cm | 154 cm | 164 cm | 174 cm | 185 cm |
| Rider Max Height | 156 cm | 166 cm | 176 cm | 187 cm | 197 cm |
Model Overview
FX Sport 4 is part of the Trek Fx model. 128 bikes variations carry this model name so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
The most economical model, the Trek FX 1 Stagger 2021 has a starting price of 499$. Trek FX Sport 6 2021 on the other hand is the most expensive at 2199$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Fitness bikes average price
If you want to purchase a solid Fitness bike, it is important to know that the average cost is 656$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Fitness bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
When Trek released this model in 2021, its price was 1819$. Comparing this to the average Fitness bike price, we see that the price is 177.29% higher.
Average weight for Fitness bikes
Fitness bikes have an average weight of 11.24 kg (24.78 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
FX Sport 4 weighs 9.55 kg (21.05 lbs) and is much lighter than the average. In other words, this model is 17.7% lighter than the average Fitness bike.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
FX Sport 4 components
Fork material
The fork on this bike is made out of carbon, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels size
As for the wheels, Trek FX Sport 4 2021, has a 700c aluminum model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
FX Sport 4 comes in 5 sizes, that range from 147 cm – 197 cm (4.82 ft – 6.46 ft). In conclusion, finding one for you shouldn’t be a problem.