BULLS Sonic EVA AM SX 1
Ultralight mountain e-bike with a carbon frame and a weight of just 19 kg. For women looking for adventure on a variety of trails and terrains. With Bosch Performance Line SX motor, 400Wh battery, front and rear suspension, 29" wheels and 12 speeds.
Availability on request
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"
Shocks travel
140 mm, 130 mm
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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
Rear shock SR SUNTOUR Edge Plus 2CR. Provides 130 mm of travel. Absorbs medium shocks and shocks. 2CR "Compression and Rebound" damper system and allows independent adjustment of compression and rebound. Uses a lightweight and highly adjustable air spring. Made of durable materials. Designed to withstand the rigors of off-road riding.
E-bike range calculator
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 EVA AM SX 1, a lightweight mountain e-bike with powerful off-road support and maximum agility. Featuring a new Bosch drivetrain and a cutting-edge Sonic carbon frame, the Light Assist E-MTB e-bike combines the sporty performance of an e-bike with the handling of a quality mountain bike.
BULLS opens up a new trend of lightweight sport e-bikes with the revolutionary Bosch Perfomance Line SX motor drive. This, combined with the 2kg Bosch CompactTube 400 battery and selected components, will mean that you will slowly not be able to tell the difference between this e-bike and your classic bicycle at first glance, while still enjoying the power of the additional drive.
The ultra-compact Bosch Perfomance Line SX motor has a maximum torque of 55 Nm with minimal resistance when pedalling. Combined with a slim battery, Sonic SX models deliver full sport performance and power for training and trail riding.
The Sonic EVA AM SX 1 has geometry designed specifically for women, providing improved comfort and handling. The frame is made from high quality carbon - it's lightweight and durable at the same time. This construction provides a responsive and agile feel on the trails, allowing for precise maneuvering in tight turns and technical sections. It offers an impressive combination of power, agility and comfort, making it ideal for mountain riding.
The full suspension includes a BULLS LYTRO 34 SL Air Boost front fork with 140mm of travel and an SR SUNTOUR Edge Plus 2CR rear shock with 130mm of travel. 29" wheels, Wicked Will Performance / Nobby Nic Performance tyres. This wheel and tire combination offers excellent traction and stability and easily handles loose, rocky or muddy conditions.
BULLS Sonic EVA AM SX 1 top-of-the-line electric mountain bike designed for women who are passionate about exploring different trails and want to push their limits. With advanced technology, thoughtful design and high-quality components, this e-bike delivers the performance, comfort and versatility needed for an exceptional mountain riding experience.
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. 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 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
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 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.
Parameters
General
| Model year | 2025 |
| Brand | Bulls |
| Load capacity | 130 kg |
Motor
| Engine manufacturer | Bosch |
| Engine type | Bosch Performance Line SX |
| Torque | 55 Nm |
| Centre engine | Yes |
Battery
| Battery capacity | 400 - 499 Wh |
Suspension
| Front fork | Bulls Lytro 34 SL Air Boost, 140 mm |
Components
| Handlebars | Bulls riserbar |
| Grips | prologo Proxim Enduro |
| Saddlebag | Limotec Alpha 1UH 31,6 mm + SLMT500-IL, 150 mm |
| Saddle | Prologo Proxim 400 Wide |
| Extender | Poligon 45 mm |
| Coats | Wicked Will Performance / Nobby Nic Performance 62 – 622 / 60 – 622 |
Transmission
| Cassette | Shimano CS-M6100-11, 10-51T |
| Shifter | Shimano Deore RD-M6100 |
| Number of gears | 12 speeds |
Brakes
| Rear brakes | Shimano MT420, 4-piston, hydraulic disc, 203mm |
| Front brakes | Shimano MT420, 4-piston, hydraulic disc, 203mm |
Questions
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