KELLYS Theos i50

The famous all-suspension mountain e-bike with Shimano EP8 85 Nm mid-motor, 725 Wh battery and carbon frame. Mullet - a combination of 29" and 27.5" wheels. With a range of up to 200 km. Ready for the real wilderness.

Kdy ekolo dostanete?

Original price: € 3,750 (you save € 229)

€ 3,521

€ 2,910 excl. VAT

Availability: Not in stock

Discount for purchasing 2 or more e-bikes: 5%

Why this e-bike?

KELLYS Theos i50



60 Nm

Battery capacity

630 Wh


10 speed


29"; 27,5"


160 mm; 205x65 mm

Click to display the e-bike range calculator

E-bike range calculator

Total weight of rider (incl. equipment)
Battery capacity
Predominant route profile
For 80 kg riders, with a battery capacity of Wh when driving with average assistance after a predominantly , the range on this e-bike will be approximately
(Setting specific assistant mode, electro-technical state, battery age, ambient temperature, aerodynamics and driving technique could affect the overall range)


The Power of the KELLYS Theos i50 E-Bike

The KELLYS Theos i50 E-Bike is equipped with a powerful SHIMANO STEPS E7000 motor and a 630Wh Re-Charge Li-ion internal battery. It also has a Uni-Body Integrated Design frame, which makes it easier to carry around in case you want to take your bike on the train or bus.

Enhanced Performance

ROCK SHOX 35 GOLD RL (29) Boost fork

The RockShox Recon Silver TK Solo Air fork is a lightweight and stiff front suspension that offers 100mm of travel. It also has a spring-preload adjuster, which allows you to fine tune your ride based on what type of terrain you're riding on. The Recon Silver TK Solo Air has been designed specifically for 29ers, so it's perfect for this bike!

SHIMANO Deore SL-M4100-R Rapidfire Plus shifter

The Shimano SLX M7000 11 Speed Rapidfire Plus Shifter offers easy gear selection with its light action shifting mechanism and ergonomic design. This is an ideal component for riders who want reliable performance without spending too much money. It also features two separate release levers: one for upshifts and another for downshifts--making shifting easier than ever before!


Drive type SHIMANO STEPS E7000, 36V
Capacity and battery type KELLYS Re-Charge Li-ion internal 630Wh / capacity 17.5Ah
Frame type and material KELLYS e-FRAME Allmountain, Uni-Body Integrated Design / Four-bar link, zadní zdvih 150mm, tapered HT, mullet 29 / 27.5+ wheelset, 12x148mm Boost thru axle
Front fork ROCK SHOX 35 GOLD RL (29) Boost, 160mm, DebonAir / Motion Control / Maxle Stealth 15mm thru axle
Number of gears 10
Shifters SHIMANO Deore SL-M4100-R Rapidfire Plus (I-Spec EV)
Type and brand of brakes SHIMANO Deore MT410 Hydraulic Disc
Crankset SHIMANO E8000 (38T) - délka 170mm
The stem KLS Alm/En 50 - diam 28.6mm / bar bore 31.8mm
Chain KMC e10T
Handlebars KLS Alm/En 70 RiseBar - diam 31.8mm / rise 25mm
Saddle fi’zi:k Taiga, S-alloy rails
Seat post KS Rage-i Remote Telescopic - diam 31.6mm
Load capacity 120 kg
Rims KLS Valor 3 Disc
Front hub SHIMANO MT400-B Disc Center Lock
Rear hub SHIMANO MT400-B Disc Center Lock
Tyres SCHWALBE Nobby Nic Performance
Head composition FSA 1.5 integrated
Display SHIMANO SC-E5000 cycle computer with assist switch
Silencer ROCK SHOX Deluxe Select R, DebonAir / Trunnion mount (205x65mm)
Brake levers SHIMANO Deore BL-M4100