Polygon Siskiu TE With Bosch

2026 MountainEnduro Electric bicycle Manufacturer page

Polygon Siskiu TE With Bosch, color Brown / Black

Last known price: $4,799

Prices shown first for United States
Fork travel: 150 mm
Wheels: 29″
Drivetrain: 1 × 12 34t / 11–50t
Gear range: 455%
Battery: 625 Wh
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 153–165
MD 163–175
LG 173–185
XL 183–195

Components

17 of 23 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

Electric system

2 parts

Suspension

2 parts

Drivetrain

5 parts

Brakes

3 parts

Wheels and tires

5 parts

Front hub
- DT Swiss
Rear hub
- DT Swiss
Rims

R: ALLOY DOUBLE WALL FV H:18mm 622x36 32H FOR TYRE 622-54/76 W/ TUBELESS TAPE / R: ALLOY DOUBLE WALL FV H:18mm 584x36 32H FOR TYRE 584-54/76 W/ TUBELESS TAPE Not identified
Spokes

F: STAINLESS 14G NDS:292mm DS:294mm W/ 12mm BRASS NIPPLE / R: STAINLESS 14G NDS:274mm DS:272mm W/ 12mm BRASS NIPPLE Not identified
Tires

SUPER TRAIL TIRE 29"x2.60", 622x65, TLE Not identified

Cockpit and contact points

5 parts

Handlebar
- Polygon
Headset
- FSA
HBS-220
Pedals

ALLOY FLAT W/ REPLACEABLE PIN Not identified
Saddle

XTEND, CR-MO ø7mm Not identified
Seatpost
- Tranz-X
JD-YSP23JL

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 465mm

Stack 618mm

Wheelbase 1225mm

Head angle 65.0°

Seat angle 77.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	445	465	485	505
Stackmm	618	618	627	641
Top tube lengthmm	588	608	630	653
Seat tube lengthmm	390	400	430	450
Head tube lengthmm	95	95	105	120
Head tube angle	65°	65°	65°	65°
Seat tube angle	77°	77°	77°	77°
Chainstay lengthmm	445	445	445	445
Wheelbasemm	1205	1225	1249	1275
Front centermm	763	783	807	833
Bottom bracket dropmm	39	39	39	39
Bottom bracket heightmm	337	337	337	337
Standover heightmm	677	683	706	720
Fork rakemm	42	42	42	42
Trailmm	128	128	128	128
Stack/reach ratio	1.39	1.33	1.29	1.27

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

Suspension

Suspension configuration: Full suspension
Front travel: 150 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 34
Largest chainring: 34
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 50
Lowest gear: 19.7 in
Highest gear: 89.6 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Electric system

Battery capacity: 625 Wh

Additional specifications

Battery: BOSCH POWER TUBE 625 HORIZONTAL
Fork spring: Air
Tire width: 2.6″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

2 measures

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

Front travel

150 mm

This value is below the central range for this class.

Cohort: Mountain / Enduro Model year: 2026
Sample: 1,332 bicycles with this information
Coverage: 95.2% of the class

Shifting

Mechanical

454 of 1,399 bicycles with this information use electronic shifting.

Cohort: Mountain / Enduro Model year: 2026
Sample: 1,399 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.6 km/h
Highest gear: 34.3 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: 19.7–89.6 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 2026 builds
Specification	This bicycle Polygon Siskiu TE With Bosch	Polygon Siskiu HE (Bosch)	Polygon Siskiu HE Shimano	Polygon Siskiu HE Shimano Di2	Polygon Siskiu T6E	Polygon Siskiu T7E
Suspension
Front travel	150 mm	130 mm	130 mm	130 mm	140 mm	150 mm
Rear travel	Not informed	Not informed	Not informed	Not informed	140 mm	Not informed
Drivetrain
Smallest chainring	34	38	34	38	34	34
Largest chainring	34	38	34	38	34	34
Rear sprockets	12	12	10	11	11	12
Smallest sprocket	11	11	11	11	Not informed	10
Largest sprocket	50	50	48	50	Not informed	51
Lowest gear	19.7 in	20.9 in	19.5 in	20.9 in	Not informed	19.3 in
Highest gear	89.6 in	95.0 in	85.0 in	95.0 in	Not informed	98.6 in
Cockpit
Shifting	Mechanical	Mechanical	Mechanical	Electronic	Mechanical	Mechanical
Electric bicycle systems
Battery capacity	625 Wh	625 Wh	504 Wh	630 Wh	504 Wh	630 Wh
Other specifications
Fork spring	Air	Air	Air	Air	Not informed	Air
Tire width	2.6″	2.4″	2.4″	2.4″	2.4″	2.6″
Wheel size	29″	27.5″	27.5″	27.5″	29″	29″