BULLS E-Stream EVO AM 4
Experience the power of the Brose Fit S-Mag Pro motor with 90 Nm of torque and a 925 Wh battery to take you to every peak. With RockShox Lyrik suspension and Maxxis Minion tyres, you'll tackle the toughest terrain. With a load capacity of up to 150 kg and a comfortable Selle Royal saddle for comfortable, long trips.
Brose FIT S-Mag PRO
90 Nm
925 Wh
12 speeds
29"
150 mm, 150 mm
Monkey Link is a unique magnetic system that makes it easy to install or remove components such as the headlight, taillight or fenders. It is powered directly from the battery and controlled via the display.
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
Go beyond the trails with an e-bike that offers maximum performance, comfort and style.
The BULLS E-Stream EVO AM 4 is equipped with a state-of-the-art Brose Fit S-Mag Pro mid-motor with a massive 90Nm of torque, giving you maximum power on steep hill climbs and tough terrain.
Long range is ensured by an integrated battery with a huge 925 Wh capacity, so you can enjoy hours of adventure riding without the stress of running out.
Perfect handling on any terrain is ensured by the high-quality RockShox Lyrik Select Charger RC suspension at the front and Fox Float DPS Performance suspension at the rear, both with 150 mm of travel.
Solid Shimano Boost hubs and Maxxis Minion DHF AM tyres at the front and Maxxis Minion DHR2 AM tyres at the rear with a 66-622 size give you confidence and stability in the sharpest corners and on slippery surfaces.
Shimano Deore XT 1×12 shifting allows for precise and fast shifting, so you can always adapt to the track profile with ease.
On steep descents, you'll be able to rely on the powerful Shimano Deore XT BR-M8100 hydraulic brakes with large 203mm discs front and rear for consistent braking performance in even the toughest conditions.
The BULLS E-Stream EVO AM 4 is built on a sturdy frame with a high load capacity of up to 150kg, making it an ideal choice for heavier riders or those riding with full gear.
Comfort and ergonomics are ensured by the high quality Selle Royal Vivo Ergo saddle and Limotec A1-Z telescopic seatpost for quick height adjustment on the ground.
The Bulls' wide 35mm carbon handlebars, together with the sturdy BULLS The Frog stem, provide a firm and sure grip even in the most difficult passages.
Choose the sleek black or the dynamic blue version and go for your cycling dreams without compromise.
With this e-bike, you'll be confident that no hill, no descent and no challenge will stop you.
Need help choosing the right e-bike? Use our e-bike selection guide or contact us directly.

Motor Brose Drive S-Mag
The powerful Brose Drive S-Mag motor is the right for sports e-bikers. A particularly sensitive response enables peak performance on demanding routes. Thanks to the innovative magnesium case, it weighs only 2.9 kg and offers maximum support of up to 410 percent.
Brose Drive S Mag naturally supports the rider in every driving situation and, thanks to a precise sensor system, responds well to the individual driving style. Huge torque up to 90 Nm and very precise power dosing.

Battery BROSE 925 Wh
The Brose 925 battery is optimally synchronised for the Brose mid-motor. The battery with an extreme capacity of 925 Wh is fully integrated into the frame of the e-bike. Designed primarily for those who require the longest possible range on a single charge and at the same time at acceptable dimensions. In this case, the range is up to an incredible 200 km (it always depends on the circumstances of the journey and the use of assistance).
The battery is protected by the BMS electronics with all necessary protections. The battery box is made of lightweight but high quality plastic. Combined with the central electric motor, this is a well-equipped, stable and easy to handle e-bike.

BROSE LED remote
Brose Display Remote: The purist’s choice
For e-bikers looking for minimalist flair with all the functionality, the slimline Brose Display Remote is just the job. Wrapped around the handlebars to the left or right of centre, the smallest of the three models still offers all the requisite functions. It features a coloured LED strip display, indicating battery charge and support level, plus six ergonomically thought-out buttons.

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.
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Parameters
General
Model year | 2025 |
Brand | Bulls |
Frame size | Frame L, Frame S, Frame XL, Frame M |
Colour | Black, Blue |
Load capacity | 150 kg |
Motor
Engine manufacturer | Brose |
Engine type | Brose Fit S-Mag Pro |
Torque | 90 Nm |
Centre engine | Yes |
Battery
Precise capacity | 925 Wh |
Battery capacity | 900 - 999 Wh |
Suspension
Front fork | RockShox Lyrik Select Charger RC 1.8 tapered, 150 mm |
Components
Rear hub | Shimano FH-MT410-B CL / Boost 12x148mm |
Front hub | Shimano HB-MT400-B, 32 děr, CL, pevná osa 15×110 mm |
Saddlebag | Limotec A1-Z |
Saddle | Selle Royal Vivo Ergo |
Handlebars | Bulls 35 mm |
Extender | BULLS The Frog, 35mm |
Coats | Maxxis Minion DHF AM/DHR2 AM, EN 66-622 |
Transmission
Sorting | Shimano Deore XT SL-M8100 I-Spec EV |
Cassette | Shimano SLX CS-M7100, 10-51T |
Shifter | Shimano Deore XT RD-M8100-SGS |
Number of gears | 1x12 |
Brakes
Rear brakes | Shimano Deore XT BR-M8100, hydraulické, 203 mm |
Front brakes | Shimano Deore XT BR-M8100, hydraulické, 203 mm |
Questions
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