More options
It's right for you if...
You're a commuter or fitness rider who’s having fun spending more time in the saddle. You want a great-looking bike that's versatile, comfortable and built with quality parts that will perform on longer rides.
The tech you get
A lightweight aluminium frame, a carbon fork, hydraulic disc brakes for all-weather stopping power, a wide-range 18-speed Shimano drive train that's great for conquering hills, a vibration-absorbing handlebar with ergonomic grips, extra mounts for accessories like a rack and mudguards, and puncture-resistant tyres.
The final word
FX 3 Disc is a lightweight and fast fitness bike, commuter and neighbourhood cruiser all in one. For all the great things about this bike, the best tech upgrade is the 2x9 drivetrain. This 18-speed set-up is like what you'd see on a road bike: light, efficient and built for speed.
The Walkthrough
favorite_borderWhy you'll love it
- More confident braking means that bad weather doesn't have to keep you from enjoying your ride
- 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 do the weekly shop
- The cables are routed internally, which protects them from the elements and adds to the bike's sleek look
- It's easy to accessorise with racks, a kickstand, mudguards, lights and more!
- You can pair FX with your smartphone and send your ride data to your favourite fitness app when you add DuoTrap S
How to: Pump your tyres
Setting your bike's tyre pressure correctly will give you a more comfortable ride with better grip and handling. Even better, it can help prevent flats
Watch the video
How to: Fix a flat tyre
Flat? Fixed. Our simple how-to video will show you how to get back on two wheels in no time flat.
Watch the video
How to: Wash your bike
A clean bike is a happy bike, but washing your ride is a bit more complicated than a quick spray with the hose or a joyride through your local car wash. Follow our step-by-step process and you’ll learn the dos and don’ts of keeping your bike in tip-top shape!
Watch the video
How to: Remove and install wheels
From transporting on a rack to fixing a flat, sometimes those wheels need to come off your bike. Keep watching to learn how to safely remove and install wheels that use a quick-release system.
Watch the videoYou might also like
Features
Puncture-resistant tyres
Tough Bontrager Hard-Case tyres help keep punctures from slowing you down.
Blendr stem
Bontrager stem technology lets you clip your gear directly to the stem for clean looks and maximum user friendliness.
Learn more
DuoTrap S compatible
DuoTrap S has a Bluetooth®/ANT+ sensor integrated into the frame. Log routes and track fitness progress on your computer or smart phone with no external sensor. Works with all major ANT+ wireless players, including Bontrager, Garmin, PowerTap and SRM.
Carbon fork
Lightweight fork with carbon fibre legs soaks up hand-numbing road vibration.
Alpha Gold Aluminium frame
Our high-performance lightweight aluminium is continuously cold extruded and butted, and formed into manipulated tube shapes to balance strength and save weight.
Rack & mudguard ready
Built-in mounts make it easy to add racks and mudguards for added versatility.
Specifications
*spec applies to all sizes unless otherwise noted
| Frame | Alpha Gold Aluminium, DuoTrap S-compatible, internal cable routing, flat-mount disc, rack and mudguard mounts, 135x5 mm QR |
|---|---|
| Fork | FX Carbon, rack and mudguard mounts, flat-mount disc, 405 mm axle-to-crown. ThruSkew 5 mm QR |
| Hub front | Formula DC-20, alloy, 6-bolt, 5x100 mm QR |
|---|---|
| Hub rear | Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR |
| Rim | Bontrager Tubeless Ready Disc, 32-hole, Presta valve |
| Spokes | 14 g stainless steel, black |
| Tyre | Bontrager H2 Hard-Case Lite, wire bead, 30 tpi, 700x32 c |
| *Shifter |
Size:
S, M, L, XL, XXL Shimano Acera M3000, 9-speed |
|---|---|
|
Size:
S, M, L, XL, XXL Shimano Acera M3000, 2 -speed |
|
| Front derailleur | Shimano Acera T3000, 34.9 mm clamp, top swing, dual pull |
| Rear derailleur | Shimano Acera M3000, Shadow design, long cage |
| *Crank |
Size:
S, M Shimano MT210, 46/30, chain guard, 170 mm length |
|
Size:
L, XL, XXL Shimano MT210, 46/30, chain guard, 175 mm length |
|
| Cassette | Shimano HG200, 11-36, 9-speed |
| Chain | KMC X9 |
| Pedal | Bontrager Satellite City pedal |
| Saddle | Bontrager H1 |
|---|---|
| Seatpost | Bontrager alloy, 27.2 mm, 12 mm offset, 330 mm length |
| *Handlebar |
Size:
S, M Bontrager Satellite Plus IsoZone, alloy, 31.8 mm, 15 mm rise, 600 mm width |
|
Size:
L, XL, XXL 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 Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length |
|
Size:
M, L Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length |
|
|
Size:
XL, XXL Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 110 mm length |
|
| Head set | 1-1/8" threadless, sealed cartridge bearings |
| Brake | Shimano MT201 hydraulic disc, flat-mount, 160 mm rotor |
| Brake rotor | Shimano RT26, 160 mm, 6-bolt |
| Brake pad | Brake Pad Shimano Resin Disc Pad B01S |
| Weight | M - 11.74 kg / 25.88 lb |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb). |
Sizing & fit
Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorised Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.
Rider Height
Inseam
S
155.0 - 165.0 cm
5'1.0" - 5'5.0"
72.0 - 78.0 cm
28.3" - 30.7"
M
165.0 - 175.0 cm
5'5.0" - 5'8.9"
77.0 - 83.0 cm
30.3" - 32.7"
L
175.0 - 186.0 cm
5'8.9" - 6'1.2"
82.0 - 88.0 cm
32.3" - 34.6"
XL
186.0 - 197.0 cm
6'1.2" - 6'5.6"
87.0 - 93.0 cm
34.3" - 36.6"
2XL
197.0 - 203.0 cm
6'5.6" - 6'7.9"
92.0 - 95.0 cm
36.2" - 37.4"
All measurements provided in cm unless otherwise stated.
| Frame size letter | Wheel size | A — Seat tube | B — Seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 700c | 38.1 | 74.5° | 11.5 | 70.5° | 54.2 | 29.6 | 6.5 | 45 | 5.0 | 7.5 | 105.9 | 70.4 | 39.3 | 53.9 |
| M | 700c | 44.5 | 74.0° | 13.0 | 71.5° | 55.7 | 29.6 | 6.5 | 45 | 5.0 | 6.8 | 106.0 | 73.8 | 39.7 | 55.7 |
| L | 700c | 50.8 | 73.5° | 16.0 | 71.5° | 57.1 | 29.6 | 6.5 | 45.0 | 5.0 | 6.8 | 107.0 | 79.9 | 39.8 | 58.6 |
| XL | 700c | 57.2 | 73.0° | 19.0 | 72.5° | 58.7 | 29.6 | 6.5 | 45.0 | 5.0 | 6.2 | 107.0 | 84.8 | 39.8 | 61.8 |
| XXL | 700c | 63.5 | 72.0° | 22.0 | 72.5° | 60.1 | 29.6 | 6.5 | 45.0 | 5.0 | 6.2 | 107.2 | 88.5 | 39.2 | 64.7 |