KELLYS Theos F90

The Kellys Theos F90 is the top e-bike designed for riders looking for performance and reliability on challenging trails and in a variety of conditions. This model features a Shimano EP8 mid-motor with 85Nm of torque, providing exceptional power and support with every pedal. With a 725 Wh battery, you have plenty of power for long trips and aggressive off-road riding.

For maximum comfort and performance, the bike is fitted with quality components. The FOX 38 Float Factory front fork with 180mm of travel and Kashima Coat technology ensures a smooth and efficient ride, even on rough terrain. The ROCK SHOX Super Deluxe Ultimate shock absorber also contributes to this, guaranteeing excellent suspension and shock absorption thanks to DebonAir and RCT Open-Threshold technology.

Shifting is provided by the Shimano Deore XT Di2 system, with a Shimano Deore XT Di2 M8050 derailleur and Shimano Deore XT Di2 Shift Switch SW-M8050-R Firebolt, which guarantees precise and smooth shifting. The Shimano CS-M8000-11 cassette with 11-46T range offers a wide range of gears for different types of terrain.

For safety, the bike is equipped with Shimano Deore XT M8120 hydraulic brakes with 203mm discs front and rear, providing strong and controlled stopping power even in challenging conditions.

In addition to performance and reliability, the Kellys Theos F90 delivers comfort with a fi'zi:k Taiga saddle and a quality FOX Transfer Factory Remote Telescopic seatpost that allows for comfortable seat height adjustment. The SCHWALBE Eddy Current Evo tires offer excellent traction and stability on any surface, making them ideal for demanding trail riders.

The bike is built on solid DT SWISS H 1700 rims and fitted with RACE FACE Aeffect R 35 handlebars, which provide great handling and stability when riding.

In short, the Kellys Theos F90 is a powerful, reliable and technically advanced e-bike that can handle even the toughest off-road challenges. If you're looking for a bike that delivers top performance, comfort and safety, this model is a great choice.

KELLYS BICYCLES s.r.o. now offers an extended warranty of 5 years. This extended warranty covers the frame of the e-bike and its claim when a manufacturing or material defect is proven to be the cause.

Need help choosing the right e-bike? Use our guide to choosing an e-bike or contact us.

Motor Shimano EP 8

The Shimano EP8 electric motor, rated at 250W and 85Nm of torque, means 21% more power compared to the most powerful motor to date, the Shimano E8000. 10% lighter weight with a total of 2.6 kg thanks to the use of magnesium for the motor block. Redesigned bearings and gear connections inside the motor, resulting in 36% less friction and drag when pedalling with the drive off or above the motor assist speed limit.

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Battery Kellys-BMZ 725 Wh / 20 Ah

The Panasonic K1 725 Wh / 20 Ah / 36V battery is an integrated lithium-ion battery from Kellys in cooperation with BMZ. Small, compact, powerful, with a nice shape and stylish appearance. The fully integrated K1 725 Wh battery is one of the best power-to-weight ratio batteries on the market. You will literally be amazed by the results of this powerful battery. The combination of power and power reserve makes the battery one of the best components of an e-bike.

The battery is capable of taking the e-bike up to 180 km on a single charge. But of course it always depends on the track profile and how the assistance is used.

Display Shimano SC- E7000

Original display Shimano STePS SC-E7000. Minimalist design, clear display. Compact wireless bike computer showing all important data about your bike and your rides. With the E-TUBE PROJECT app on your mobile device, the data displayed and the functionality of the entire SHIMANO STEPS E-BIKE system can be easily customised.

• Very easy to read display.
• Flat design for MTB.
• Compatible with SHIMANO STEPS components
• Up to 5 riding modes available
• Settings directly in the field using the simple E-TUBE RIDE app
• Easy to update the internal display control program using the E-TUBE PROJECT app on your mobile device.

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Designing and manufacturing e-bikes is not just about putting mechanical components together. It's more than that. The purpose for which an e-bike is created is important, because it has a unique purpose in each person's life. This mission gives every KELLYS e-bike its reason for being. Thanks to modern technology, skilled designers and the best materials, the Kellys brand has some of the highest quality e-bikes.

We are specialists in KELLYS electric bikes. We offer full suspension and fixed mountain bikes, touring bikes, men's and women's electric bikes with an excellent price / performance ratio.

E-bikes Kellys

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