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2021 Kellys

THEOS F70 29"/27.5" 720Wh

A 29″ / 27.5″ carbon frame full suspension enduro e-bike with upper mid-range components.
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FrameCarbon
SuspensionFull, 170 / 180mm
ForkRockShox ZEB
ShockRockShox Super Deluxe Coil Select
Wheels29″ / 27.5″ Aluminum
Drivetrain1 × 12
GroupsetXT, Deore
MotorShimano 85Nm mid-drive
Battery720Wh
BrakesShimano Hydraulic Disc
SeatpostDropper
Where to Buy
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

31 mph

THEOS F70 29"/27.5" 720Wh

26 mph

Similar Bikes

Highest gear

(descending)

Reviews
E-Mountainbike Magazine
Kellys Theos F90 E-MTB first ride review – Is this carbon revolution?

Mar 2022 · Mike Hunger

We tested the Kellys THEOS F90 eMTB with Shimano EP8 motor and 725 Wh battery and can tell you how it performs on the trail.

Highs
  • Innovative frame material

  • Balanced handling

  • Upright pedalling position

Lows
  • Only two frame sizes to choose from

Read Review

Geometry
Specs
Build
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

Fork

ROCK SHOX Zeb (29) Boost, 180mm, DebonAir / Charger R / Maxle Stealth 15mm thru axle

Travel180mm

Spring TypeAir

Shock

ROCK SHOX Super Deluxe Coil Select R (230x65mm)

Travel170mm

Spring TypeCoil

Stem

KLS Alm/En 50 - diam 28.6mm / bar bore 31.8mm / length 60mm

Handlebar

KLS Alm/En 70 RiseBar - diam 31.8mm / rise 25mm / šírka 760mm

Saddle

fi´zi:k Taiga S-alloy rails

Seatpost

KS RAGE-I Remote Telescopic - diam 30.9mm / length 442mm, travel 150mm (M), length 495mm, travel 170mm (L)

TypeDropper

Pedals

plastic

Grips

KLS Poison

Groupset
Rear Derailleur

SHIMANO Deore XT M8100 (direct mount)

Crank

SHIMANO EM600 (38T) - length 170mm

Shifters

SHIMANO Deore (021) M6100-IR Rapidfire Plus (I-Spec EV)

Cassette

SHIMANO (021) CS-M6100-12 (10-51T)

Chain

SHIMANO CN-M8100 (122 links)

Brakes

SHIMANO MT420 Hydraulic Disc

TypeShimano Hydraulic Disc

Brake Levers

SHIMANO Deore (021) BL-M4100

Wheels
Rims

KLS Bender Disc 622x38 front / 584x38 rear (32 holes)

Spokes

stainless steel black

Front Hub

SHIMANO Deore (021) MT410-B Disc Center Lock (15x110mm / 12x148mm / 32 holes)

Rear Hub

SHIMANO Deore (021) MT410-B Disc Center Lock (15x110mm / 12x148mm / 32 holes)

Tires

SCHWALBE Eddy Current Evo SuperTrail 65-622 (29x2.60) Tubeless Easy, ADDIX Soft, folding front / SCHWALBE Eddy Current Evo SuperGravity 70-584 (27.5x2.80) Tubeless Easy, ADDIX Soft, folding rear

Disc Rotors

203mm front / 203mm rear

Electric Components
Motor

SHIMANO EP8 (021) 85Nm, 36V

Battery

KELLYS Re-Charge K1 Li-ion internal removable 720Wh / capacity 20Ah, co-developed by Kellys-BMZ

Display

SHIMANO SC-E7000

Rider Notes
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First added April 12

Last updated April 12

Not listed for 1,895 days