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Trek Powerfly FS+ 6 Gen 4

Model year: 2025 MountainTrail Electric bicycle Manufacturer page (opens in a new tab)
Price
Not published
Europe
€5,299 Last known price
Travel
130 / 120 mm Fork / rear shock
Wheels
27.5″, 29″
Drivetrain
1 × 12 10–51t
Gear range
510%
Battery
800 Wh
Weight
25.08 kg 55.3 lb · Reference configuration not specified
Frame
Aluminum
Brakes
Hydraulic disc

Rider height by size (cm)

Size guide
  • 15.5" 155–166
  • 17.5" 164–178
  • 19.5" 175–189
  • 21.5" 187–195

Components

24 of 26 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 Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered headtube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9 mm seat tube, ABP, UDH, rack and mudguard mounts, Boost 148, 120 mm travel Not identified

Electric system

4 parts
  • Battery
  • Charger
  • Display
  • Motor

Sizes and geometry

Size explorer

Enter your height to highlight matching ranges.

Size 17.5"

Table
Reach 450mm
Stack 629mm
Wheelbase 1223mm
Head angle 66.0°
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
Bicycle weight
  • 25.08 kg
  • 55.3 lb
Weight limit
  • 136 kg
  • 299.8 lb

Suspension

Suspension configuration
  • Full suspension
Front travel
  • 130 mm
Rear travel
  • 120 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Rear sprockets
  • 12
Smallest sprocket
  • 10
Largest sprocket
  • 51

Technical analysis

2 measures

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

Front travel

130 mm

This value is within the central range for this class.

Cohort
Mountain / Trail Model year: 2025
Sample
1,808 bicycles with this information
Coverage
97.5% of the class

Shifting

Mechanical

387 of 1,847 bicycles with this information use electronic shifting.

Cohort
Mountain / Trail Model year: 2025
Sample
1,847 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 Trek Powerfly FS+ 6 Gen 4 Trek Powerfly FS+ 4 Trek Powerfly FS+ 4 Equipped Gen 4 Trek Powerfly FS+ 4 Gen 4 Trek Powerfly FS+ 8 Gen 4
Frame
Bicycle weight 25.08 kg 24.58 kg 23.83 kg 24.58 kg 24.48 kg
Drivetrain
Rear sprockets 12 10 10 10 12
Smallest sprocket 10 11 11 11 10
Largest sprocket 51 48 48 48 52
Smallest chainring Not informed 36 36 36 Not informed
Largest chainring Not informed 36 36 36 Not informed
Lowest gear Not informed 21.8 in 21.8 in 21.8 in Not informed
Highest gear Not informed 94.9 in 94.9 in 94.9 in Not informed
Cockpit
Shifting Mechanical Mechanical Mechanical Mechanical Electronic
Electric bicycle systems
Battery capacity 800 Wh 600 Wh 600 Wh 600 Wh 800 Wh
Other specifications
Bottom bracket standard Not informed Bosch Bosch Bosch Not informed

No exact Powerfly FS+ 6 Gen 4 publication is available for 2024.

Other models in this family

5 models

Published versions from the same family and model year.

Trek Powerfly FS+ 6 Gen 4, by Trek

This bicycle

E-bike, Trail

Powerfly FS+ 6 Gen 4

  • Weight: 25.1 kg
  • Suspension: 130/120 mm
  • Wheel size: 27.5″/29″
Trek Powerfly FS+ 4, by Trek

E-bike, Trail

Powerfly FS+ 4

E-bike, Mountain / Trail

  • Weight: 24.6 kg
  • Suspension: 130/120 mm
  • Wheel size: 27.5″/29″
Trek Powerfly FS+ 4 Gen 4, by Trek

E-bike, Trail

Powerfly FS+ 4 Gen 4

E-bike, Mountain / Trail

  • Weight: 24.6 kg
  • Suspension: 130/120 mm
  • Wheel size: 27.5″/29″
Trek Powerfly FS+ 8 Gen 4, by Trek

E-bike, Trail

Powerfly FS+ 8 Gen 4

E-bike, Mountain / Trail

  • Weight: 24.5 kg
  • Suspension: 130/120 mm
  • Wheel size: 27.5″/29″

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