BULLS Sonic AM 4 ABS
Push the boundaries of mountain biking with a powerful Bosch motor with 85 Nm of torque and a long-range battery. Premium suspension and MAGURA brakes let you tackle even the wildest trails. Power, style and adrenaline - all in one package!
Discount
when buying 2 or more e-bikes:
5%
Engine
Bosch Performance Line CX GEN5
Motor power
85 Nm
Battery capacity
800 Wh
Gearbox
12 speeds
Wheels
29"
Shock absorber travel
150 mm (přední)
Monkey Link is a unique magnetic system that allows easy attachment or removal of components such as the front light, rear light, or fenders. The power is supplied directly from the battery and is controlled via the display.
More information about the Monkey Link system
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 AM 4 ABS 2025 is a top-of-the-line mountain e-bike designed for riders seeking maximum performance, safety, and precise handling even in the most demanding terrain. This model combines advanced technologies, premium components, and robust construction, making it the perfect partner for trail challenges, enduro adventures, or steep mountain climbs.
At the heart of this e-bike lies the Bosch Performance Line CX Gen. 5 Smart System mid-drive motor with 85 Nm of torque. Thanks to this power and intelligent motor management, you’ll conquer steep ascents effortlessly. The 800 Wh battery provides an extended range, so you can enjoy full-day rides without worrying about energy.
The suspension features premium components like the ROCKSHOX Deluxe Select+ RL rear shock (205x65 mm) and the SR SUNTOUR AION 36 Air ABS front fork with 150 mm of travel, absorbing bumps and ensuring stability in technically challenging terrain.
Precise shifting is handled by the SRAM S-Series Eagle AXS Transmission system with a single chainring and a SRAM Eagle 10-52T cassette, delivering 12 speeds for smooth riding in all conditions. Maximum safety is ensured by the MAGURA Gustav Pro hydraulic disc brakes with large 203mm rotors on both the front and rear wheels, providing reliable stopping power every time.
For optimal control and comfort, the bike features Rumble Ultimate PRO Carbon handlebars (780 mm wide) and a Prologo Proxim 400 saddle, combined with the LIMOTEC Alpha dropper post to adjust your riding position on the go. SCHWALBE Magic Mary EVO tires (29x2.40") offer exceptional traction and confidence in challenging conditions.
With a load capacity of 120 kg and a sleek gray design, the Bulls Sonic AM 4 ABS 2025 is not only technically perfect but also stylish. This e-bike is the ideal choice for riders seeking a blend of performance, comfort, and durability in the terrain.
Need help choosing the right e-bike? Use our guide to choosing an e-bike or contact us.
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 |
| Weight incl. battery | 26 kg |
| Brand | Bulls |
| Colour | Grey |
| Load capacity | 120 kg |
Motor
| Motor manufacturer | Bosch |
| Engine type | Bosch Performance Line CX Gen. 5 - Smart System |
| Torque | 85 Nm |
| Centre engine | Yes |
Battery
| Battery capacity | 800 - 899 Wh |
Suspension
| Shocks | ROCKSHOX Deluxe Select+ RL, 205x65mm |
| Front fork | SR SUNTOUR AION 36 Air ABS 150 mm |
Components
| Extender | RUMBLE Altimate Pro Carbon, width: 780 mm, Backsweep: 9° |
| Saddlebag | LIMOTEC Alpha |
| Saddle | Prologo Proxim 400 |
| Handlebars | Rumble Altimate PRO Carbon |
| Coats | SCHWALBE Magic Mary EVO 62 – 622 29 x 2,40 |
Transmission
| Sort by | SRAM S‑Series Eagle AXS Transmission |
| Cassette | SRAM Eagle 10-52T |
| Number of gears | 1x12 |
Brakes
| Rear brakes | MAGURA Gustav Pro, hydraulic, rotor 203 mm |
| Front brakes | MAGURA Gustav Pro, hydraulic, rotor 203 mm |
Questions
Please provide your contact information and in the field Message enter your question and we will get back to you shortly.