Trek FX 3 Disc

Name: Trek FX 3 Disc
Brand: Trek

2021 UrbanFitness Manufacturer page

Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 9 30–46t / 11–36t
Gear range: 502%
Weight: 11.74 kg 25.9 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

LG 175–186

Components

18 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Alpha Gold Aluminium, DuoTrap S-compatible, internal cable routing, flat-mount disc, rack and mudguard mounts, 135x5 mm QR Not identified

Suspension

1 part

Fork

FX Carbon, rack and mudguard mounts, flat-mount disc, 405 mm axle-to-crown. ThruSkew 5 mm QR Not identified

Drivetrain

6 parts

Cassette
- Shimano CS-HG200
CS-HG200
Chain
- KMC X9 9 speeds
Crankset
- Shimano FC-MT210 9 speeds 46/30t
FC-MT210
Front derailleur
- Shimano FD-T3000
FD-T3000
Rear derailleur
- Shimano Alivio RD-M3100 9 speeds
RD-M3100
Shifters
- Shimano Acera SL-M3000
SL-M3000

Brakes

2 parts

Wheels and tires

5 parts

Front hub
- Formula DC-20
DC-20
Rear hub
- Formula DC-22
DC-22
Rims
- Bontrager
Spokes

14 g stainless steel Not identified
Tires
- Bontrager

Cockpit and contact points

7 parts

Grips
- Bontrager
Handlebar
- Bontrager
Headset

1-1/8'' threadless, sealed cartridge bearings Not identified
Pedals
- Bontrager
Saddle
- Bontrager
Seatpost
- Bontrager
Stem
- Bontrager

Sizes and geometry

1 size Open in the geometry plotter

Enter your height to highlight matching ranges.

Size LG

Table

Reach 398mm

Stack 586mm

Wheelbase 1070mm

Head angle 71.5°

Seat angle 73.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 700c wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Reachmm	398
Stackmm	586
Top tube lengthmm	571
Seat tube lengthmm	508
Head tube lengthmm	160
Head tube angle	71.5°
Seat tube angle	73.5°
Chainstay lengthmm	450
Wheelbasemm	1070
Front centermm	628
Bottom bracket dropmm	65
Bottom bracket heightmm	296
Standover heightmm	799
Fork rakemm	50
Trailmm	68
Stack/reach ratio	1.47

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Carbon
Bicycle weight: 11.74 kg

25.9 lb
Weight limit: 136 kg

299.8 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 30
Largest chainring: 46
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 36
Lowest gear: 24.2 in
Highest gear: 121.3 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire clearance: Maximum tire width: 38c; Additional specification: Wheel kind: 700
Tire width: 32c
Travel: Front: Additional specification: Not available: Yes
Rear: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

24.2 gear inches

This value is within the central range for this class.

Cohort: Urban / Fitness Model year: 2021
Sample: 245 bicycles with this information
Coverage: 92.1% of the class

Highest gear

121.3 gear inches

This value is within the central range for this class.

Cohort: Urban / Fitness Model year: 2021
Sample: 245 bicycles with this information
Coverage: 92.1% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 9.3 km/h
Highest gear: 46.4 km/h

Total gear range 502%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 24.2–121.3 gear inches
Class reference (p10–p90): 20.6–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Urban / Fitness Model year: 2021
Lowest gear: 245 bicycles with this information, 92.1% of the class
Highest gear: 245 bicycles with this information, 92.1% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2021 builds
Specification	This bicycle Trek FX 3 Disc	Trek FX 1	Trek FX 1 Disc	Trek FX 1 Stagger	Trek FX 1 Stagger Disc	Trek FX 2 Disc
Frame
Intended fit	Unisex	Unisex	Unisex	womens	womens	Unisex
Fork material	Carbon	Steel	Steel	Steel	Steel	Aluminum
Bicycle weight	11.74 kg	12.57 kg	12.9 kg	12.48 kg	12.84 kg	11.95 kg
Drivetrain
Front chainrings	2	3	3	3	3	3
Smallest chainring	30	28	28	28	28	28
Largest chainring	46	48	48	48	48	48
Rear sprockets	9	7	7	7	7	8
Smallest sprocket	11	14	14	14	14	11
Largest sprocket	36	34	34	34	34	32
Lowest gear	24.2 in	23.9 in	23.9 in	23.9 in	23.9 in	25.4 in
Highest gear	121.3 in	99.4 in	99.4 in	99.4 in	99.4 in	126.6 in
Brakes
Brake type	Hydraulic disc	Rim brake	Mechanical disc	Rim brake	Mechanical disc	Hydraulic disc
Other specifications
Tire clearance	Maximum tire width: 38c; Additional specification: Wheel kind: 700	Not informed	Maximum tire width: 38c; Additional specification: Wheel kind: 700	Not informed	Maximum tire width: 38c	Maximum tire width: 38c
Tire width	32c	35c	35c	35c	35c	35c
Bottom bracket standard	Not informed	BSA	Not informed	BSA	Not informed	Not informed