Skip to content

Polygon Siskiu T6E

Model year: 2026 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

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
  • Battery BT-EN805
  • 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: 2026
Sample
1,644 bicycles with this information
Coverage
96.3% of the class

Shifting

Mechanical

389 of 1,706 bicycles with this information use electronic shifting.

Cohort
Mountain / Trail Model year: 2026
Sample
1,706 bicycles with this information
Coverage
100.0% 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 2026 builds

Differences across 2026 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 With Bosch
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 Not informed Not informed
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 19.7 in
Highest gear Not informed 95.0 in 85.0 in 95.0 in 98.6 in 89.6 in
Cockpit
Shifting Mechanical Mechanical Mechanical Electronic Mechanical Mechanical
Electric bicycle systems
Battery capacity 504 Wh 625 Wh 504 Wh 630 Wh 630 Wh 625 Wh
Other specifications
Tire width 2.4″ 2.4″ 2.4″ 2.4″ 2.6″ 2.6″
Wheel size 29″ 27.5″ 27.5″ 27.5″ 29″ 29″
Fork spring Not informed Air Air Air Air Air

Other models in this family

6 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 mm
  • Wheel size: 29″

Similar bicycles

Same category, closest configuration.

Ari Wire Peak 2.0 Comp, by Ari

Ari

Wire Peak 2.0 Comp

Model year: 2026

Ari Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 150/145 mm
  • Wheel size: 29″
Ari Wire Peak 2.0 Elite, by Ari

Ari

Wire Peak 2.0 Elite

Model year: 2026

Ari Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 160/145 mm
  • Wheel size: 29″
Ari Wire Peak 2.0 Pro, by Ari

Ari

Wire Peak 2.0 Pro

Model year: 2026

Ari Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 160/145 mm
  • Wheel size: 29″
Avanti Hammer-E LT1, by Avanti

Avanti

Hammer-E LT1

Model year: 2026

Avanti Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 150/140 mm
Bergamont E-Trailster 130 Adventure, by Bergamont

Bergamont

E-Trailster 130 Adventure

Model year: 2026

Bergamont Model year: 2026

E-bike, Mountain / Trail

  • Weight: 27.8 kg
  • Suspension: 130/120 mm
  • Wheel size: 29″
Bergamont E-Trailster 130 Pro, by Bergamont

Bergamont

E-Trailster 130 Pro

Model year: 2026

Bergamont Model year: 2026

E-bike, Mountain / Trail

  • Weight: 27.5 kg
  • Suspension: 130/120 mm
  • Wheel size: 29″
Bergamont E-Trailster 130 Tour, by Bergamont

Bergamont

E-Trailster 130 Tour

Model year: 2026

Bergamont Model year: 2026

E-bike, Mountain / Trail

  • Weight: 27.2 kg
  • Suspension: 130/120 mm
  • Wheel size: 29″
BESV TRS 130 1.0, by BESV

BESV

TRS 130 1.0

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Weight: 26.4 kg
  • Suspension: 130 mm
  • Wheel size: 29″
BESV TRS 130 1.1, by BESV

BESV

TRS 130 1.1

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 130 mm
  • Wheel size: 29″
BESV TRS 130 1.3, by BESV

BESV

TRS 130 1.3

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 130 mm
  • Wheel size: 29″
BESV TRS 130 SUV 1.0, by BESV

BESV

TRS 130 SUV 1.0

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Weight: 29.4 kg
  • Suspension: 130 mm
  • Wheel size: 29″
BESV TRS 130 SUV 1.2, by BESV

BESV

TRS 130 SUV 1.2

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Weight: 29.2 kg
  • Suspension: 130 mm
  • Wheel size: 29″
BESV TRS-B 140 1.0, by BESV

BESV

TRS-B 140 1.0

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Weight: 26.6 kg
  • Suspension: 140 mm
  • Wheel size: 29″
BESV TRS-B 140 LTD, by BESV

BESV

TRS-B 140 LTD

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 140 mm
  • Wheel size: 29″
BESV TRS-B 140 SUV 1.0, by BESV

BESV

TRS-B 140 SUV 1.0

Model year: 2026

BESV Model year: 2026

E-bike, Mountain / Trail

  • Suspension: 140 mm
  • Wheel size: 29″