Trek 7.4 FX Disc

2015 UrbanFitness

Suspension: Rigid
Wheels: 700c
Drivetrain: 3 × 9 26–48t / 11–32t
Gear range: 537%
Frame: Aluminum
Brakes: Mechanical disc

Sizes

Size guide

15"
17.5"
20"
22.5"
25"

The manufacturer did not publish rider heights for these sizes.

Components

12 of 15 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

FX Alpha Gold Aluminum, DuoTrap S compatible, rack and fender mounts Not identified

Suspension

1 part

Fork

FX Alloy Disc w/tapered wall thickness, straight blades Not identified

Drivetrain

5 parts

Cassette
- Shimano CS-HG20
CS-HG20
Crankset
- Shimano FC-M391 48/36/26t
FC-M391
Front derailleur
- Shimano Acera
Rear derailleur
- Shimano Deore
Shifters
- Shimano SL-M390
SL-M390

Brakes

1 part

Brakes
- Shimano BR-M395
BR-M395

Wheels and tires

1 part

Tires
- Bontrager

Cockpit and contact points

6 parts

Handlebar
- Bontrager
Headset
- VP
Pedals

Nylon body w/alloy cage Not identified
Saddle
- Bontrager
Seatpost
- Bontrager
Stem
- Bontrager

Sizes and geometry

5 sizes

Rider-height ranges are not published for these sizes.

Size

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Aluminum

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 3
Smallest chainring: 26
Largest chainring: 48
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 32
Lowest gear: 23.6 in
Highest gear: 126.6 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 32c
Travel: Front: Additional specification: Not available: Yes
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

23.6 gear inches

This value is below the central range for this class.

Cohort: Urban / Fitness Model year: 2015
Sample: 95 bicycles with this information
Coverage: 87.1% of the class

Highest gear

126.6 gear inches

This value is within the central range for this class.

Cohort: Urban / Fitness Model year: 2015
Sample: 95 bicycles with this information
Coverage: 87.1% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 9.0 km/h
Highest gear: 48.5 km/h

Total gear range 537%

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: 23.6–126.6 gear inches
Class reference (p10–p90): 22.2–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Urban / Fitness Model year: 2015
Lowest gear: 95 bicycles with this information, 87.1% of the class
Highest gear: 95 bicycles with this information, 87.1% 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 2015 builds
Specification	This bicycle Trek 7.4 FX Disc	Trek 7.4 FX	Trek 7.4 FX WSD
Frame
Intended fit	Unisex	Unisex	womens
Fork material	Aluminum	Carbon	Carbon
Brakes
Brake type	Mechanical disc	Rim brake	Rim brake
Other specifications
Travel	Configuration: RigidFront: Additional specification: Not available: Yes	Configuration: Rigid	Configuration: Rigid