2021

FX 3 Disc

Model 28474

FX 3 Disc is a versatile hybrid bike that's primed for performance, comfort, and utility. It has features like a lightweight aluminum frame, a carbon fork, and powerful disc brakes that stop in any weather. It's a commuting pro if you want it to be, or the perfect fitness companion on pavement and rail trails.

NEW 2021

FX 1

$529.99

NEW 2021

FX 1 Stagger

$529.99

NEW 2021

FX Sport Carbon 4

$2,199.99

2020

FX 1

$519.99

2021

FX 2 Disc

$739.99

2021

FX Sport 5

$2,349.99

2021

FX Sport 6

$2,749.99

2021

FX 1 Disc

$629.99

2021

FX 2 Disc Women's

$739.99

2021

FX 2 Disc Women's Stagger

$739.99

2021

FX 3 Disc Women's Stagger

$979.99

2021

FX 1 Stagger Disc

$629.99

2021

FX 3 Disc Women's

$979.99

2020

FX 1 Stagger

$519.99

2020

FX Sport 5 Women's

$2,349.99

2020

FX Sport 4 Women's

$1,549.99

2020

FX Sport 4

$1,549.99

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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.

A lightweight aluminum frame, a carbon fork, hydraulic disc brakes for all-weather stopping power, a wide-range 18-speed Shimano drivetrain that's great for conquering hills, a vibration-absorbing handlebar and ergonomic grips, extra mounts for accessories like a rack and fenders, and puncture-resistant tires.

FX 3 Disc is a lightweight and fast fitness bike, commuter, and neighborhood cruiser all in one. For all the great things about this bike, the best tech upgrade is the 2x9 drivetrain. This 18-speed setup is like what you'd see on a road bike: light, efficient, and built for speed.

More confident braking means 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 pick up groceries
The cables are routed internally, which protects them from the elements and adds to the bike's sleek look
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

Tough Bontrager Hard-Case tires help keep flats from slowing you down.

Bontrager stem technology lets you clip your gear directly to the stem for clean looks, maximum user friendliness.

Learn more

DuoTrap S integrates a Bluetooth®/ANT+ sensor 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.

Lightweight fork with carbon fibre legs soaks up hand-numbing road vibration.

Our high-performance lightweight aluminum is continuously cold extruded and butted, and formed into manipulated tube shapes to balance strength and weight saving.

Built-in mounts make it easy to add racks and fenders for added versatility.

*spec applies to all sizes unless otherwise noted

Frameset

Frame	Alpha Gold Aluminum, DuoTrap S compatible, internal cable routing, flat mount disc, rack & fender mounts, 135x5mm QR
Fork	FX Carbon, rack and fender mounts, flat mount disc, 405mm axle-to-crown, ThruSkew 5mm QR

Wheels

Front hub	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Rear hub	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
Tire	Bontrager H2 Hard-Case Lite, wire bead, 30 tpi, 700x32c

Drivetrain

*Shifter	Size: S, M, L, XL, XXL Shimano Acera M3000, 9-speed
*Shifter	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
*Crank	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

Components

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
*Handlebar	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
Headset	1-1/8" threadless, sealed cartridge bearings
Brake	Shimano MT201 hydraulic disc, flat-mount, 160 mm rotor
Brake rotor	Shimano RT26, 160mm, 6-bolt
Brake pad	Brake Pad Shimano Resin Disc Pad B01S

Weight

Weight	M - 11.74 kg / 25.88 lbs
Weight limit	This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).

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, colors, and materials.

Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

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 authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

Rider Height

Inseam

155.0 - 165.0 cm

5'1.0" - 5'5.0"

72.0 - 78.0 cm

28.3" - 30.7"

165.0 - 175.0 cm

5'5.0" - 5'8.9"

77.0 - 83.0 cm

30.3" - 32.7"

175.0 - 186.0 cm

5'8.9" - 6'1.2"

82.0 - 88.0 cm

32.3" - 34.6"

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

Electra brand

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FX 3 Disc

More options

FX 1

FX 1 Stagger

FX Sport Carbon 4

FX 1

FX 2 Disc

FX Sport 5

FX Sport 6

FX 1 Disc

FX 2 Disc Women's

FX 2 Disc Women's Stagger

FX 3 Disc Women's Stagger

FX 1 Stagger Disc

FX 3 Disc Women's

FX 1 Stagger

FX Sport 5 Women's

FX Sport 4 Women's

FX Sport 4

It's right for you if...

The tech you get

The final word

The Walkthrough

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Features

Puncture-resistant tires

Blendr stem

Learn more

DuoTrap S compatible

Carbon fork

Alpha Gold Aluminum frame

Rack & fender ready

Specifications

Sizing & fit