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Kellys Theos F50, SH Space 29/27.5" 725 Wh

Model year: 2026 MountainTrail Electric bicycle Manufacturer page (opens in a new tab)
Price
Not published
Germany
€3,999 Brand's site · 2026-11-12
Travel
150 / 140 mm Fork / rear shock
Wheels
29″ / 27.5″
Drivetrain
1 × 10 34t / 11–46t
Gear range
418%
Battery
725 Wh
Frame
Carbon
Brakes
Hydraulic disc
  • MD
  • LG

The manufacturer did not publish rider heights for these sizes.

Components

21 of 24 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

    KELLYS THEOS F100 Carbon-Aramid Composite / Designed & manufactured in EUROPE / Think Link® suspension system, 140 mm rear travel, integrated removable battery, 1.8" tapered HT, post mount 203 mm, mullet 29/27.5"+ wheelset, 12x148 mm Boost thru axle Not identified

Electric system

3 parts
  • Battery
  • Display SC-E5003
  • Motor DU-EP800

Sizes and geometry

2 sizes

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
Frame material
  • Carbon

Suspension

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

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 34
Largest chainring
  • 34
Rear sprockets
  • 10
Smallest sprocket
  • 11
Largest sprocket
  • 46
Lowest gear
  • 20.3 in
Highest gear
  • 85.0 in

Technical analysis

4 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 above the central range for this class.

Cohort
Mountain / Trail Model year: 2026
Sample
1,640 bicycles with this information
Coverage
96.3% of the class

Lowest gear

20.3 gear inches

This value is above the central range for this class.

Cohort
Mountain / Trail Model year: 2026
Sample
1,227 bicycles with this information
Coverage
72.0% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
7.8 km/h
Highest gear
32.6 km/h

Total gear range 418%

Pedaling rhythm
80rpm
40
60
80
100
120

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 Kellys Theos F50, SH Space 29/27.5" 725 Wh Kellys Theos AX20, Desert Brown 29" 800 Wh Kellys Theos AX20, Magic Hydra 29" 800 Wh Kellys Theos AX20, Magic ICE 29" 800 Wh Kellys Theos AX40, Arctic 29" 800 Wh Kellys Theos AX40, Ruthenium 29" 800 Wh
Frame
Frame material Carbon Aluminum Aluminum Aluminum Aluminum Aluminum
Suspension
Front travel 150 mm 170 mm 170 mm 170 mm 170 mm 170 mm
Rear travel 140 mm 160 mm 160 mm 160 mm 160 mm 160 mm
Drivetrain
Rear sprockets 10 11 11 11 Not informed Not informed
Largest sprocket 46 50 50 50 50 50
Lowest gear 20.3 in 19.7 in 19.7 in 19.7 in 19.7 in 19.7 in
Highest gear 85.0 in 89.6 in 89.6 in 89.6 in 89.6 in 89.6 in
Wheels
Wheel configuration Different sizes Same size Same size Same size Same size Same size
Electric bicycle systems
Battery capacity 725 Wh 800 Wh 800 Wh 800 Wh 800 Wh 800 Wh
Other specifications
Tire width 2.6″ 2.4″ 2.4″ 2.4″ 2.4″ 2.4″
Wheel size 29″ / 27.5″ 29″ 29″ 29″ 29″ 29″

No exact THEOS F50, SH SPACE 29/27.5" 725 Wh publication is available for 2025.

Other models in this family

15 models

Published versions from the same family and model year.

Kellys Theos F50, SH Space 29/27.5" 725 Wh, by Kellys

This bicycle

E-bike, Trail

Theos F50, SH Space 29/27.5" 725 Wh

  • Suspension: 150/140 mm
  • Wheel size: 27.5″/29″

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