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BULLS Sonic EVO SX 1

The ultimate e-bike - the perfect balance between a traditional mountain bike and an e-MTB. With a Bosch Performance Line SX motor, 400Wh battery, 12 speeds, front suspension, 29" wheels and an innovative carbon frame, it delivers the ultimate riding experience.

Availability on request

5 399 €

4 499 € excluding VAT
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Discount when buying 2 or more e-bikes: 5%
Motor

Bosch Performance Line SX

Motor power

55 Nm

Battery capacity

400 Wh

Shifter

12 speeds

Wheels

29"

Shock travel

120 mm

BULLS Sonic EVO SX 1

Monkey Link is a unique magnetic system that allows easy attachment of devices as well as their quick removal. This can be used for headlights, rear light and mudguards too. It is powered directly from the main battery and controlled from display

Read more about Monkey Link

The LYTRO 34 SL LOR Air DS Boost 120 mm suspension fork provides a smooth and controlled ride. The 120 mm travel is ideal for absorbing bumps and impacts. LOR Air (Lightweight Optimized Response) technology. Boost pitch.  Lightweight construction. Equipped with adjustable damping that allows the rider to fine-tune rebound and suspension compression settings.

E-bike range calculator

500 Wh
75 Kg

Dominant route profile:

Rovina

Flat

Střední

Medium

Hory

Mountains


The e-bike range is approximately

*Factors affecting total range include assist mode settings, technical condition of the e-bike, battery age, ambient temperature, headwind, and riding technique

The BULLS Sonic EVO SX 1 is the ultimate mountain e-bike for those looking for a combination of lightweight agility and strong off-road support. Designed for riders who demand both performance and precision on the trail. It offers the perfect balance between a traditional mountain bike and an e-MTB.

The Sonic EVO SX 1 is part of the new generation of Light Assist E-MTBs that weigh less than 20kg depending on equipment. This makes it incredibly nimble and easy to handle on a variety of terrain types, from steep mountain climbs to technical cross-country trails.

Equipped with the Bosch Performance Line SX drivetrain, it delivers compact and powerful performance. This motor is designed to deliver maximum torque while minimizing pedaling resistance, ensuring you get the most out of every pedal stroke without compromising the natural feel of the ride. Drive efficiency allows for smooth and controlled power delivery.

The sleek 400 Wh Bosch CompactTube battery is perfectly integrated into the design of the e-bike. The battery is not only lightweight, but also expandable, providing the flexibility to increase range on longer rides or more challenging terrain. Whether you're out for a quick workout or a day-long adventure, this battery will give you the power you need to keep riding.

The e-bike is built on a highly engineered Sonic carbon frame and equipped with premium components to provide a premium riding experience. From the suspension system to the precision shifting and braking, every part of this e-MTB is designed for optimal performance and reliability.

The Sonic EVO SX 1 e-bike is ideal for those who want the agility and handling of a high-quality mountain bike combined with the added performance and support of an e-MTB. Whether you're hitting the all-mountain trails or exploring cross-country routes, this e-bike delivers a superior riding experience.

Want to explore the unknown and go where you haven't gone before? Then the the Bulls e-bike is the perfect partner.

Need help choosing the right e-bike? Don't hesitate to contact us.

Carbon fiber

Carbon fibre

E-bikes that use carbon fiber are a common choice among amateur and professional cyclists. Previously, it was mainly road e-bikes, but today you can enjoy the benefits of carbon on almost any type of e-bike. It remains an ideal choice among lovers of fast driving and off-road driving. The main advantage of e-bikes with a carbon frame is exceptional shock and vibration damping, they resist corrosion and wear very well and, compared to other materials, they excel in their low weight.

Bosch Performance Line SX

BOSCH Performance Line SX

Bosch Performance Line SX. Powerful and dynamic motor for intuitive handling and a unique driving experience. Innovative body and software. Although the motor has less torque - 55 Nm - it can deliver up to 600 W of power, the best value in the most compact design. The weight of the motor is limited to just 2 kg.

Modes and level of assistance: Turbo: 340 %; eMTB: 140–340%; AUTO: až 340%; SPRINT: 60-280%; TOUR+: 60-340%; TOUR: 140% Eco: 60 %

Battery Bosch Compact CompactTube 400 Wh

Battery Bosch CompactTtube 400 Wh

Slim, integrated and compact battery. It fits seamlessly without affecting the aesthetics and handling of the e-bike. The CompactTube 400 battery offers the highest energy density of any Bosch eBike battery with its innovative battery cell technology.

With innovative battery cell technology, it offers the perfect combination of energy density, compact design and durability. With its 400 Wh, it provides a reliable power source for a variety of cycling adventures. It offers a great balance between size and performance. With a weight of just under 2kg, it also adds minimal weight to the electric bike, making it easier to handle and more comfortable for longer rides.

Bosch Top-tube System Controller w/ mini remote

Bosch Top-tube System Controller w/ mini remote

Control unit for e-bikes with intelligent system. The range of functions and information is limited - so you have a quick overview that won't distract you while you ride. Integrated into the top tube - it's hardly noticeable and ideal for sporty trips and design-oriented e-bike fans.

LEDs indicate the riding mode and battery charge level in different colours. Made of durable material and protected from bumps and scratches. With just two buttons you can control the most important functions of your e-bike - switch on, switch off and change the riding mode. 

With the Mini Remote you can operate the control unit even more safely and conveniently. With the Mini Remote on, you can also control the display or use your smartphone as a display.

BULLS Brand

BULLS is one of the world's leading manufacturers of e-bikes. They introduced the first e-bike in 2010 and since then they are poving to be experts every year with new models just getting better and better. They are best klnown for their great combination of quality, equipment and beautiful design. Quality and precise engineering is obvious right from the start.

Very popular are off-road all-suspension eMTB e-bikes with the latest motors and high battery capacity.

BULLS E-bikes

Parameters

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General

Model year 2025
Brand Bulls
Colour Černá matná
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Motor

Engine manufacturer Bosch
Engine type Bosch Performance Line SX
Torque 55 Nm
Centre engine Yes
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Battery

Battery capacity 400 - 499 Wh
Charger Bosch 2A Compact charger
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Suspension

Front fork SR Suntour Raidon 32 Boost Air LOR 29, 120 mm travel, lockout
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Components

Saddle Selle Royal SRX
Saddlebag Limotec, Alpha Series A1-UH ultra lite 125 mm
Grips Bulls Proxim
Handlebars Rumble Altimate
Extender Rumble Altimate
Coats Schwalbe Nobby Nic Performance 29x2.40 ADDIX
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Transmission

Sort by Shimano Deore XT RD-M8100 shadow+
Cassette Shimano CS-M6100, 10-51T, 12-speed
Shifter Shimano Deore XT RD-M8100-SGS
Number of gears 12 speeds
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Brakes

Rear brakes Shimano BR-MT420, 4-piston, hydraulic, 203 mm
Front brakes Shimano BR-MT420, 4-piston, hydraulic, 203 mm

Questions

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