Skip to content

Kellys Theos F70 29"/27.5" 720Wh

Model year: 2021 MountainEnduro Electric bicycle Manufacturer page (opens in a new tab)
Travel
180 / 170 mm Fork / rear shock
Wheels
29″ / 27.5″
Drivetrain
1 × 12 38t / 10–51t
Gear range
510%
Battery
720 Wh
Frame
Carbon
Brakes
Hydraulic disc
  • MD
  • LG

The manufacturer did not publish rider heights for these sizes.

Components

21 of 25 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 F series - Thermoplastic Hybrid Steel-Carbon Composite a.k.a. FEATHER® by Rein4ced assembled by advanced robotic manufacturing / Think Link suspension system, 170mm rear travel, integrated removable battery, 1.8“ tapered HT, post mount 203mm, mullet 29 / 27.5+ wheelset, 12x148mm Boost thru axle / Made in EU Not identified

Electric system

3 parts
  • Battery
  • Display SC-E7000
  • Motor

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
  • 180 mm
Rear travel
  • 170 mm

Drivetrain

Derived by Bikelake
Front chainrings
  • 1
Smallest chainring
  • 38
Largest chainring
  • 38
Rear sprockets
  • 12
Smallest sprocket
  • 10
Largest sprocket
  • 51
Lowest gear
  • 20.5 in
Highest gear
  • 104.5 in

Technical analysis

5 measures

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

Front travel

180 mm

This value is above the central range for this class.

Cohort
Mountain / Enduro Model year: 2021
Sample
1,011 bicycles with this information
Coverage
99.0% of the class

Rear travel

170 mm

This value is above the central range for this class.

Cohort
Mountain / Enduro Model year: 2021
Sample
839 bicycles with this information
Coverage
82.1% of the class

Gearing

Estimated speeds at 80 rpm

This bicycle

Lowest gear
7.8 km/h
Highest gear
40.0 km/h

Total gear range 510%

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 2021 builds

Differences across 2021 builds
Specification This bicycle Kellys Theos F70 29"/27.5" 720Wh Kellys Theos F50 29"/27.5" 720Wh Kellys Theos F90 29"/27.5" 720Wh Kellys Theos i50 29"/27.5" 630Wh
Frame
Frame material Carbon Carbon Carbon Aluminum
Suspension
Front travel 180 mm 150 mm 180 mm 160 mm
Rear travel 170 mm 140 mm 170 mm 150 mm
Drivetrain
Smallest chainring 38 34 34 38
Largest chainring 38 34 34 38
Rear sprockets 12 10 11 10
Smallest sprocket 10 11 11 11
Largest sprocket 51 46 46 46
Lowest gear 20.5 in 20.3 in 20.3 in 22.7 in
Highest gear 104.5 in 85.0 in 85.0 in 95.0 in
Cockpit
Shifting Mechanical Mechanical Electronic Mechanical
Electric bicycle systems
Battery capacity 720 Wh 720 Wh 720 Wh 630 Wh
Other specifications
Rear shock spring Coil Not informed Not informed Not informed
Bottom bracket standard Not informed Not informed BSA Not informed

No exact THEOS F70 29"/27.5" 720Wh publication is available for 2020.

Other models in this family

4 models

Published versions from the same family and model year.

Kellys Theos F70 29"/27.5" 720Wh, by Kellys

This bicycle

E-bike, Enduro

Theos F70 29"/27.5" 720Wh

  • Suspension: 180/170 mm
  • Wheel size: 27.5″/29″

Similar bicycles

Same category, closest configuration.

Canyon Spectral:ON CF 6, by Canyon

Canyon

Spectral:ON CF 6

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 23.3 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 6 WMN, by Canyon

Canyon

Spectral:ON CF 6 WMN

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 23.1 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 7.0, by Canyon

Canyon

Spectral:ON CF 7.0

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 22.2 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 7, by Canyon

Canyon

Spectral:ON CF 7

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 23.2 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 7 — US, by Canyon

Canyon

Spectral:ON CF 7 — US

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 7 WMN, by Canyon

Canyon

Spectral:ON CF 7 WMN

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 22.9 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 7 WMN — US, by Canyon

Canyon

Spectral:ON CF 7 WMN — US

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 8.0, by Canyon

Canyon

Spectral:ON CF 8.0

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 21.9 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 8, by Canyon

Canyon

Spectral:ON CF 8

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 23.1 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Canyon Spectral:ON CF 9, by Canyon

Canyon

Spectral:ON CF 9

Model year: 2021

Canyon Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 22.5 kg
  • Suspension: 150 mm
  • Wheel size: 27.5″/29″
Intense Tazer 279 Expert, by Intense

Intense

Tazer 279 Expert

Model year: 2021

Intense Model year: 2021

E-bike, Mountain / Enduro

  • Suspension: 160/155 mm
  • Wheel size: 27.5″/29″
Intense Tazer 279 Pro, by Intense

Intense

Tazer 279 Pro

Model year: 2021

Intense Model year: 2021

E-bike, Mountain / Enduro

  • Suspension: 160/155 mm
  • Wheel size: 27.5″/29″
Intense Tazer Expert, by Intense

Intense

Tazer Expert

Model year: 2021

Intense Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 22.2 kg
  • Suspension: 160/155 mm
  • Wheel size: 27.5″/29″
Intense Tazer PRO, by Intense

Intense

Tazer PRO

Model year: 2021

Intense Model year: 2021

E-bike, Mountain / Enduro

  • Weight: 22.2 kg
  • Suspension: 160/155 mm
  • Wheel size: 27.5″/29″
Liteville 301CE Mk1 Air, by Liteville

Liteville

301CE Mk1 Air

Model year: 2021

Liteville Model year: 2021

E-bike, Mountain / Enduro

  • Suspension: 150/160 mm
  • Wheel size: 27.5″/29″