Bulls SONIC AM-SX 2 (2026)
Bulls SONIC AM-SX 2 (2026): Light, Fast, Unstoppable on the trail!
Do you want to enjoy your trail adventure to the fullest, but with a natural riding feel? Then the Bulls SONIC AM-SX 2 (2026) is just the thing for you! This ultra-light e-MTB with a carbon frame and the new Bosch Performance Line SX drive offers you the perfect combination of agility, power and control for unforgettable experiences.
Why you'll love the Bulls SONIC AM-SX 2 (2026)?

Incredible lightness and maneuverability
Weighing just 18 kg and with a premium carbon frame, you'll forget you're riding an e-bike. You can easily throw it into a corner and overcome any obstacle with ease!

The natural power of the Bosch engine
The new Bosch Performance Line SX motor gives you strong yet natural support. No jerking, just a smooth pull that takes you wherever you dare.

All-day energy within reach
The integrated 400 Wh battery, with the option of expansion, will give you enough juice for long trips and intensive training without worrying about range.

Lightning-fast wireless shifting
The Sram AXS wireless 12-speed shifting is not only precise and reliable, but also responds instantly to your every shift, so you're always in full control.
What do you take on every adventure? Key components!

Precision carbon frame
Engineered with attention to detail, this carbon frame is feather-light and rock-solid, ensuring optimal power transfer and dampening vibrations for maximum comfort.

Bosch Performance Line SX engine
The compact and quiet motor with minimal pedaling resistance will give you the feeling that your own strength is multiplying. Ideal for dynamic riding!

Sram AXS wireless shifting
Forget cables! With Sram AXS electronic shifting, you'll shift with unprecedented precision and speed whenever you need it. A clean cockpit is a bonus!

Smart 400Wh battery
The slim and elegantly integrated battery not only looks great, but most importantly, it will give you reliable energy for long hours of fun on the trails.
Technical parameters – Bored? No way, that's where the power lies!
| Parameter | Value |
|---|---|
| Model name | Bulls SONIC AM-SX 2 (2026) |
| Category | Light Assist E-MTB |
| Determination | All-Mountain, Cross-Country |
| Frame material | Carbon (Sonic Carbon Frame) |
| Weight | Approx. 18 kg |
| Engine | Bosch Performance Line SX (light and compact) |
| Battery | Bosch PowerTube 400 Wh (expandable) |
| Sorting | Sram AXS Eagle 12-speed (wireless) |
| Wheels | 29" (for speed and overcoming obstacles) |
| Model year | 2026 |
The Bulls SONIC AM-SX 2 (2026) is the ideal choice for anyone looking for a light, agile and powerful e-bike that behaves like a classic MTB on the trails, but with the bonus of strong support. The perfect partner for active riders who want to push their limits and enjoy every ride to the fullest. So get on and ride!
