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Polygon Siskiu T6E

Model year: 2025 MountainTrail Electric bicycle Manufacturer page (opens in a new tab)
Last known price
$3,399
Travel
140 / 140 mm Fork / rear shock
Wheels
29″
Drivetrain
1 × 11 34t
Battery
504 Wh
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • SM 155–166
  • MD 164–176
  • LG 174–186
  • XL 184–195

Components

20 of 27 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

4 parts
  • Battery BT-EN805
  • Charger EC-E6002
  • Display SC-EN600
  • Motor DU-EP600

Sizes and geometry

Size explorer

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

Specifications

Frame and fork

Intended fit
  • Unisex
Frame material
  • Aluminum

Suspension

Suspension configuration
  • Full suspension
Front travel
  • 140 mm
Rear travel
  • 140 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 34
Largest chainring
  • 34
Rear sprockets
  • 11

Technical analysis

2 measures

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

Front travel

140 mm

This value is within the central range for this class.

Cohort
Mountain / Trail Model year: 2025
Sample
1,810 bicycles with this information
Coverage
97.5% of the class

Shifting

Mechanical

388 of 1,849 bicycles with this information use electronic shifting.

Cohort
Mountain / Trail Model year: 2025
Sample
1,849 bicycles with this information
Coverage
99.6% 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 2025 builds

Differences across 2025 builds
Specification This bicycle Polygon Siskiu T6E Polygon Siskiu HE (Bosch) Polygon Siskiu HE Shimano Polygon Siskiu HE Shimano Di2 Polygon Siskiu T7E Polygon Siskiu TE
Frame
Bicycle weight Not informed Not informed Not informed Not informed Not informed 24.3 kg
Suspension
Front travel 140 mm 130 mm 130 mm 130 mm 150 mm 150 mm
Rear travel 140 mm Not informed Not informed Not informed 140 mm 140 mm
Drivetrain
Smallest chainring 34 38 34 38 34 34
Largest chainring 34 38 34 38 34 34
Rear sprockets 11 12 10 11 12 12
Smallest sprocket Not informed 11 11 11 10 11
Largest sprocket Not informed 50 48 50 51 50
Lowest gear Not informed 20.9 in 19.5 in 20.9 in 19.3 in 18.7 in
Highest gear Not informed 95.0 in 85.0 in 95.0 in 98.6 in 85.0 in
Cockpit
Shifting Mechanical Mechanical Mechanical Electronic Mechanical Mechanical
Derailleur hanger Not informed Not informed Not informed Not informed Not informed UDH
Electric bicycle systems
Battery capacity 504 Wh 625 Wh 504 Wh 630 Wh 630 Wh 625 Wh
Other specifications
Tire clearance Maximum tire width: 2.6″ Not informed Not informed Not informed Not informed Not informed
Tire width 2.4″ 2.4″ 2.4″ 2.4″ 2.6″ 2.6″
Wheel size 29″ 27.5″ 27.5″ 27.5″ 29″ 27.5″
Fork spring Not informed Air Air Air Air Air

Other models in this family

7 models

Published versions from the same family and model year.

Polygon Siskiu T6E, by Polygon

This bicycle

E-bike, Trail

Siskiu T6E

  • Suspension: 140 mm
  • Wheel size: 29″
Polygon Siskiu HE (Bosch), by Polygon

E-bike, Trail

Siskiu HE (Bosch)

E-bike, Mountain / Trail

  • Suspension: 130 mm
  • Wheel size: 27.5″
Polygon Siskiu HE Shimano, by Polygon

E-bike, Trail

Siskiu HE Shimano

E-bike, Mountain / Trail

  • Suspension: 130 mm
  • Wheel size: 27.5″
Polygon Siskiu T7E, by Polygon

E-bike, Enduro

Siskiu T7E

E-bike, Mountain / Enduro

  • Suspension: 150/140 mm
  • Wheel size: 29″
Polygon Siskiu TE, by Polygon

E-bike, Trail

Siskiu TE

E-bike, Mountain / Trail

  • Weight: 24.3 kg
  • Suspension: 150/140 mm
  • Wheel size: 27.5″

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