Trek Zektor Three DK

2013 UrbanFitness

Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 9 34–50t / 11–26t
Gear range: 348%
Frame: Aluminum
Brakes: Hydraulic disc

Sizes

Size guide

50cm
55cm
60cm

The manufacturer did not publish rider heights for these sizes.

Components

13 of 16 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 Silver Aluminum Not identified

Suspension

1 part

Fork

Chromoly/aluminum Not identified

Drivetrain

5 parts

Brakes

1 part

Brakes
- Shimano BR-M445
BR-M445

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Sizes and geometry

3 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: 2
Smallest chainring: 34
Largest chainring: 50
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 26
Lowest gear: 37.9 in
Highest gear: 131.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 28c
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

37.9 gear inches

This value is above the central range for this class.

Cohort: Urban / Fitness Model year: 2013
Sample: 74 bicycles with this information
Coverage: 96.1% of the class

Highest gear

131.8 gear inches

This value is above the central range for this class.

Cohort: Urban / Fitness Model year: 2013
Sample: 74 bicycles with this information
Coverage: 96.1% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 14.5 km/h
Highest gear: 50.5 km/h

Total gear range 348%

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: 37.9–131.8 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: 2013
Lowest gear: 74 bicycles with this information, 96.1% of the class
Highest gear: 74 bicycles with this information, 96.1% 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 2013 builds

Differences across 2013 builds
Specification	This bicycle Trek Zektor Three DK	Trek Zektor Four DK	Trek Zektor One DK	Trek Zektor One Stagger DK	Trek Zektor Two DK	Trek Zektor Two Stagger DK
Drivetrain
Front chainrings	2	2	1	1	1	1
Smallest chainring	34	Not informed	46	46	46	46
Largest chainring	50	Not informed	46	46	46	46
Rear sprockets	9	10	Not informed	Not informed	8	8
Smallest sprocket	11	11	Not informed	Not informed	12	12
Largest sprocket	26	25	Not informed	Not informed	25	25
Lowest gear	37.9 in	Not informed	Not informed	Not informed	53.4 in	53.4 in
Highest gear	131.8 in	Not informed	Not informed	Not informed	111.2 in	111.2 in
Drivetrain technologies	Not informed	Not informed	internally-geared-hub	internally-geared-hub	Not informed	Not informed
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Rim brake	Rim brake	Rim brake	Rim brake