Bulls SONIC SX 1 (2026)
Bulls SONIC SX 1 (2026) – Lightness and strength for your trails!
Are you looking for an e-mountain bike that will give you power up the hills, but at the same time retain the lightness and agility of a classic MTB? Then you've come to the right place! The Bulls SONIC SX 1 (2026) is a combination of a top-notch carbon frame and the revolutionary Bosch Performance Line SX drive, which will allow you to fly along the trails with unprecedented ease and control. Get ready for maximum experiences on every ride!
Why choose Bulls SONIC SX 1?
Lightness and Agility
Thanks to the sophisticated carbon frame and weight under 20 kg (depending on equipment), you will enjoy maximum agility and the feeling of riding like a classic mountain bike.
New Bosch SX Drive
Discover the power and naturalness of the new Bosch Performance Line SX motor. It offers maximum torque with minimal pedaling resistance for a smooth and dynamic ride.
Smart Battery 400 Wh
The slim 400Wh battery gives you plenty of power for workouts and long rides. Plus, you can upgrade it with an optional range extender so you'll never run out of power.
High-end Carbon Frame
The highly developed Sonic EVO SX carbon frame ensures not only low weight, but also great stiffness and precise handling on any terrain, simply a joy to ride!
Key components
Bosch Performance Line SX engine
With 55 Nm of torque and an intelligent system, you get exactly the support you need, completely naturally and smoothly.
Fork SR SUNTOUR Raidon 34 Air
The 120mm travel air fork reliably absorbs bumps and provides comfort and control on technical sections where you need it most.
SHIMANO Deore 6100 rear derailleur
The reliable 12-speed SHIMANO Deore groupset will offer you precise and fast shifting in every situation, whether you're climbing a steep hill or flying down.
SCHWALBE NOBBY NIC Perf tires
These versatile tires provide excellent grip and traction on both dry and wet surfaces, ideal for aggressive trail riding with confidence.
Technical parameters
| Parameter | Value |
|---|---|
| Engine | Bosch Performance Line SX (Smart System) 25/55 Nm |
| Engine support | up to 25 km/h |
| Display | Bosch Mini Remote and System Controller |
| Frame material | Carbon |
| Fork | SR SUNTOUR Raidon 34 Air |
| Fork stroke | 120mm |
| Number of transfers | 12 speeds |
| Rear derailleur | SHIMANO Deore 6100 |
| Cartridge | SHIMANO Deore CS-M6100-12 10-51T |
| Brakes | Hydraulic disc SHIMANO BR-MT420 |
| Tires | SCHWALBE NOBBY NOTHING Perf, Folding |
| Tire size (inches) | 29 x 2.40 |
| Seatpost | LIMOTEC, Alpha Series A1-UH ultra lite 125mm |
| Maximum permissible weight | 130 kg |
| Wheel weight | 16.8 kg |
| Charger | Bosch Compact charger 2A |
The Bulls SONIC SX 1 (2026) is the ideal choice for anyone looking for a top-of-the-line e-MTB that combines the lightness and agility of a classic mountain bike with extra power for the hills. If you want to enjoy a full trail experience without compromise and push your limits, this is the bike for you!