Polygon Zeta Fitte

2025 UrbanCommuter Manufacturer page

Last known price: $649

Prices shown first for United States
Suspension: Rigid
Wheels: 20″
Drivetrain: 2 × 10 34–50t / 11–34t
Gear range: 455%
Frame: Aluminum
Brakes: Mechanical disc

Rider height by size (cm)

Size guide

ALL SIZE 150–170

Components

13 of 21 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

aluminum Not identified

Suspension

1 part

Fork

ALLOY RIGID FORK, STRAIGHT 1-1/8" THREADLESS Not identified

Drivetrain

6 parts

Bottom bracket
- Praxis
Cassette
- Shimano CS-HG500-10 10 speeds 11–34t
CS-HG500-10CS-HG500
Chain
- KMC X10 10 speeds
Crankset
- Praxis 50/34t
Rear derailleur
- Shimano Tiagra RD-4700-SS 10 speeds
RD-4700-SSRD-4700
Shifters
- Shimano Tiagra ST-4700
ST-4700

Brakes

3 parts

Wheels and tires

5 parts

Front hub

ALLOY DISC BRAKE QR9x100mm 28H 6B Not identified
Rear hub

ALLOY DISC BRAKE QR9x135mm 28H 6B FOR SPROCKET Not identified
Rims

ALLOY DOUBLE WALL FV H: 28.3 451X19.3 28H FOR TYRE 451-28/62 DISC Not identified
Spokes

STAINLESS 14G Not identified
Tires
- Schwalbe One

Cockpit and contact points

5 parts

Handlebar
- Entity
Headset

ZERO STACK W/ CAGED BEARING, ZS 44/28.6 | ZS 44/30 Not identified
Pedals

PP PEDALS W/ PP CAGE Not identified
Saddle
- Entity
Seatpost
- Entity

Sizes and geometry

1 size Open in the geometry plotter

Enter your height to highlight matching ranges.

Size ALL SIZE

Table

Reach 375mm

Stack 410mm

Wheelbase 1010mm

Head angle 70.5°

Seat angle 73.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 20″ 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	375
Stackmm	409.79
Top tube lengthmm	520
Seat tube lengthmm	460
Head tube lengthmm	225
Head tube angle	70.5°
Seat tube angle	73.5°
Chainstay lengthmm	410
Wheelbasemm	1009.96
Front centermm	600
Bottom bracket dropmm	10
Bottom bracket heightmm	264
Standover heightmm	694
Fork rakemm	79
Stack/reach ratio	1.09

Not published by the manufacturer: Trail, 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: Aluminum

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 34
Largest chainring: 50
Rear sprockets: 10
Smallest sprocket: 11
Largest sprocket: 34
Lowest gear: 20.0 in
Highest gear: 90.9 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Travel: Front: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 20″

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.7 km/h
Highest gear: 34.8 km/h

Total gear range 455%

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: 20.0–90.9 gear inches

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 2025 builds
Specification	This bicycle Polygon Zeta Fitte	Polygon Zeta Mixte	Polygon Zeta Velo
Drivetrain
Front chainrings	2	2	1
Smallest chainring	34	34	48
Largest chainring	50	50	48
Lowest gear	20.0 in	20.0 in	28.2 in
Highest gear	90.9 in	90.9 in	87.3 in
Brakes
Brake type	Mechanical disc	Rim brake	Hydraulic disc
Other specifications
Bottom bracket standard	Not informed	BSA	BSA
Tire width	Not informed	Not informed	2″