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FX Sport 4 is where performance fitness bikes begin. A lightweight frame, 20-speed drivetrain, and a wealth of performance features give this fitness bike the capability to take on longer commutes and faster recreational rides without sacrificing the versatility that has made FX Trek's best-selling lineup ever.
It's right for you if...
You've got goals to demolish, and you need a bike that can help you finish a 50-mile ride charity ride, your first sprint triathlon, your daily commute, or any other fitness milestone. You want a performance hybrid that's comfortable on longer rides with big hills and versatile enough to carry groceries home after your workout.
The tech you get
A lightweight 200 Series Alpha Aluminum frame, a carbon fork that absorbs road vibration, Tektro hydraulic disc brakes for all-weather stopping power, a 20-speed Shimano Tiagra drivetrain with a wide range of gears for hilly routes, rack and hidden fender mounts, fast-rolling Bontrager AW1 tires, IsoZone ergonomic grips, and compatibility with DuoTrap S so you can track your fitness gains.
The final word
If you have fitness goals, FX Sport 4 will help you cruise past them. It's the perfect combination of road bike speed and hybrid bike versatility: comfortable over the long haul, quick when you want to put the hammer down, and reliable in all weather conditions and a variety of road surfaces.
Why you'll love it
- FX Sport 4 is a bike that inspires you to ride farther, faster, and demolish the fitness goals you've set for yourself
- Road bike speed and hybrid bike versatility in one performance package
- It's versatile and does whatever you want it to do, whether that's riding for fitness, commuting, or cruising to the farmer's market to pick up groceries
- It's easy to accessorize with racks, a kickstand, fenders, lights, and more!
- You can pair FX with your smartphone and send your ride data to your favorite fitness app when you add DuoTrap S
Frame | FX Alpha Gold Aluminum, DuoTrap S compatible, rack & fender mounts |
---|---|
Fork | Bontrager Nebula, carbon |
Headset | VP Slimstak, sealed semi-cartridge bearings |
Rims/Wheels | Bontrager Tubeless Ready rims |
Hubs | Formula TK31 alloy front hub; Formula TK32 alloy rear hub |
Tires | Bontrager AW1 Hard-Case Lite, 700x28c |
Crankset | Shimano R460 |
Chainrings | 48/34 |
Bottom Bracket | Sealed cartridge |
Front Derailleur | Shimano Tiagra |
Rear Derailleur | Shimano RD-R350 |
Cassette/Rear Cogs | Shimano Tiagra, 11-34, 10 speed |
Shifters | Shimano Tiagra, 10 speed |
Handlebars | Bontrager Satellite Plus IsoZone, 31.8mm, 15mm rise |
Tape/Grips | Bontrager Satellite IsoZone Plus, lock-on, ergonomic |
Stem | Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts |
Brakes | Tektro alloy linear-pull brakes, Tektro adjustable-reach alloy levers |
Pedals | Nylon body w/alloy cage, toe clip & strap |
Saddle | Bontrager H1 |
Seat Post | Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset |
* Subject to change without notice.