BULLS Sonic EVO SX 1 (2025)

The BULLS Sonic EVO SX 1 is the ultimate mountain e-bike for those looking for a combination of lightweight agility and powerful off-road support. Designed for riders who demand both performance and precision on the trail, the BULLS Sonic EVO SX 1 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 , weighing less than 20kg depending on equipment. This makes it incredibly agile and easy to handle on a variety of terrain, from steep mountain climbs to technical cross-country trails.

Equipped with the Bosch Performance Line SX drive, 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 riding feel. The drive efficiency allows for smooth and controlled power delivery.

The sleek Bosch CompactTube 400Wh battery is seamlessly integrated into the e-bike's design. Not only is the battery lightweight, it's also expandable, giving you the flexibility to increase your range for longer rides or more challenging terrain. Whether you're on a quick workout or an all-day adventure, this battery will give you the power you need to keep going.

The e-bike is built on a highly developed Sonic carbon frame and equipped with top-notch components to provide a premium riding experience. From the suspension system to the precise 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 power and support of an e-MTB. Whether you're hitting all-mountain trails or exploring cross-country routes, this e-bike delivers a top-notch riding experience.

BOSCH Performance Line SX

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

Modes and assistance levels: Turbo: 340%; eMTB: 140–340%; AUTO: up to 340%; SPRINT: 60-280%; TOUR+: 60-340%; TOUR: 140% Eco: 60%

Bosch CompactTtube 400 Wh battery

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

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 source of power for various cycling adventures. It offers a great balance between size and performance. Weighing just under 2 kg, it also adds minimal weight to the e-bike, making it easier to handle and providing greater comfort on longer rides.

Bosch Top-tube System Controller w/ mini remote

Control unit for e-bikes with an intelligent system. The range of functions and information is limited - so that you have a quick overview that will not distract you while riding. Integrated into the top tube - almost invisible and ideal for sports trips and design-oriented e-bike fans.

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

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

• Bosch SX engine
• Display Mini Remote
• Battery 400 Wh
  
• Frame Sonic SX Hardtail
• Frame Material Carbon
• Fork BULLS Lytro 34 SL LOR Air DS Boost
• Spring Unit air
• Remote Lockout yes
• Gearrange 510%
• Drivetrain 12
• Gear Lever SHIMANO Deore SL-M6100, rapidfire+, I-spec-EV
• Rear Derailleur SHIMANO Deore RD-M6100
• Crank BULLS 170 mm
• Cassette SHIMANO Deore, CS-M6100 10-51T
• Chain SHIMANO CN-M6100-12
• Brake Set SHIMANO BR-MT420
• Brake Rotors 203/180
• Wheel Set MAVIC E-Crossride 1 CL MS
• Tires Front SCHWALBE Smart Sam Performance
• Tires Rear SCHWALBE Smart Sam Performance
• Saddle prologo Proxim 400
• Seat Post Limotec Alpha 1UH 31.6mm + SL-MT500-IL, 150mm
• Stem MTB-SLS, CCS Slot Mount ready
• Handle Bar BULLS riserbar
• Handlebar Width 780
• Head Set ACROS AIF-531 1.5”