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Bergstrom Flow 4

Model year: 2026 MountainTrail Electric bicycle Manufacturer page (opens in a new tab)
Fork travel
120 mm
Wheels
29″
Drivetrain
1 × 12
Battery
400 Wh
Brakes
Hydraulic disc
  • LG

The manufacturer did not publish rider heights for these sizes.

Components

17 of 17 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.

Electric system

4 parts
  • Battery
  • Charger
  • Display
  • Motor

Suspension

2 parts

Sizes and geometry

1 size

Size explorer

Rider-height ranges are not published for these sizes.

Size

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit
  • Unisex

Suspension

Suspension configuration
  • Full suspension
Front travel
  • 120 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Rear sprockets
  • 12

Technical analysis

2 measures

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

Front travel

120 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 Bergstrom Flow 4 Bergstrom Flow 1 Bergstrom Flow 2 Bergstrom Flow 3
Suspension
Front travel 120 mm 140 mm 140 mm 120 mm
Cockpit
Seatpost Rigid seatpost Dropper seatpost Dropper seatpost Dropper seatpost
Shifting Mechanical Electronic Mechanical Mechanical
Other specifications
Fork spring Coil Not informed Not informed Not informed

Other models in this family

4 models

Published versions from the same family and model year.

Bergstrom Flow 4, by Bergstrom

This bicycle

E-bike, Trail

Flow 4

  • Suspension: 120 mm
  • Wheel size: 29″
Bergstrom Flow 1, by Bergstrom

E-bike, Trail

Flow 1

E-bike, Mountain / Trail

  • Suspension: 140 mm
  • Wheel size: 29″
Bergstrom Flow 2, by Bergstrom

E-bike, Trail

Flow 2

E-bike, Mountain / Trail

  • Suspension: 140 mm
  • Wheel size: 29″
Bergstrom Flow 3, by Bergstrom

E-bike, Trail

Flow 3

E-bike, Mountain / Trail

  • Suspension: 120 mm
  • Wheel size: 29″

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