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BULLS Copperhead EVO AM 4
Imagine an electric bike that can handle any terrain. With a Bosch Performance Line CX Gen 5 motor, 85Nm of torque and a Bosch PowerTube 800 battery, it offers reliable performance and long range. The ideal choice for mountain biking and challenging terrain.
Bosch Performance Line CX Gen. 5 - Smart System
85 Nm
800 Wh
11 speed
29"
150 mm, 150 mm
Monkey Link is a unique magnetic system that allows easy attachment of devices as well as their quick removal. This can be used for headlights, rear light and mudguards too. It is powered directly from the main battery and controlled from 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
The BULLS Copperhead EVO AM 4 is a top-of-the-line e-bike designed for demanding cyclists who seek a combination of performance, reliability, and comfort. It is ideal for mountain biking, trail riding, and commuting in tough conditions. With this bike, you can confidently tackle even the most challenging terrain.
At the heart of the bike is the Bosch Performance Line CX Gen. 5 (Smart System) motor with a torque of 85 Nm, offering strong and smooth performance, perfect for climbing and technical terrain. The motor is paired with the Bosch PowerTube 800 battery, providing sufficient range for long rides and adventures.
The bike frame is made of carbon, ensuring low weight and high strength for better handling, especially when riding on challenging trail paths. Carbon also absorbs vibrations well, contributing to greater comfort during the ride.
The Bulls Lytro 36 Supreme SL 1.8 Boost front fork with 150mm travel and the SR Suntour EDGE X-2CR rear suspension with 150mm travel are ideal for providing a smooth ride even on the roughest trails. These components allow you to overcome tough obstacles and ensure optimal suspension for technical sections and descents.
The bike is equipped with SHIMANO CUES SL-U6000 shifting with 11 speeds and a Shimano CS-LG400-11 (11-50T) cassette, offering a wide gear range for any terrain. With this system, you can easily adjust your speed and performance according to current conditions.
The TRP HD-M807 hydraulic disc brakes with 203mm rotors provide excellent braking performance even in challenging terrain, giving you control during fast descents.
The Schwalbe Nobby Nic Perf tires in 29 x 2.40 size are designed for maximum grip and stability, allowing you to ride confidently even on slippery sections. The wheels are mounted on RUMBLE Impeller Pro rims, ensuring strength and long durability.
Comfort is enhanced with ergonomic RUMBLE Altimate handlebars, comfortable ERGON GX10 grips, and a Selle Royal SRX saddle, offering sufficient comfort even on long rides. The RUMBLE Escalator seat post allows for saddle height adjustment, which is ideal when riding in varied terrain.
The BULLS Copperhead EVO AM 4 is equipped with modern Bosch technologies and high-quality Shimano and TRP components, making it the perfect choice for those looking for a reliable and high-performance e-bike for mountain biking and demanding rides.
Need help choosing the right e-bike? Use our guide to choosing an e-bike or contact us.
Carbon fibre
E-bikes that use carbon fiber are a common choice among amateur and professional cyclists. Previously, it was mainly road e-bikes, but today you can enjoy the benefits of carbon on almost any type of e-bike. It remains an ideal choice among lovers of fast driving and off-road driving. The main advantage of e-bikes with a carbon frame is exceptional shock and vibration damping, they resist corrosion and wear very well and, compared to other materials, they excel in their low weight.
Bosch Performance Line CX 5th generation engine
The 5th generation motor offers 85 Nm and a peak power of 600 W. Thanks to the magnesium housing, it is lighter (2.8 kg) and quieter. The new mounting system makes installation easier. Improved sensors measure rider inputs more accurately, ensuring a more natural power transfer. The motor has hill-start and walk assist for added comfort. Lower weight improves maneuverability and component durability. Auto mode automatically adjusts terrain assistance. Compatibility with Bosch smart systems allows tracking of ride details, making planning and the ride itself easier.
Bosch Top-tube System Controller w/ mini remote
Control unit for e-bikes with intelligent system. The range of functions and information is limited - so you have a quick overview that won't distract you while you ride. Integrated into the top tube - it's hardly noticeable and ideal for sporty trips and design-oriented e-bike fans.
LEDs indicate the riding mode and battery charge level in different colours. Made of durable material and protected from bumps and scratches. With just two buttons you can control the most important functions of your e-bike - switch on, switch off and change the riding mode. With the Mini Remote you can operate the control unit even more safely and conveniently. With the Mini Remote on, you can also control the display or use your smartphone as a display.
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 M, Frame XL, Frame S, Frame L |
| Colour | Grey |
| Load capacity | 120 kg |
Motor
| Engine manufacturer | Bosch |
| Engine type | Bosch Performance Line CX Gen. 5 - Smart System |
| Torque | 85 Nm |
| Centre engine | Yes |
Battery
| Precise capacity | 800 Wh |
Suspension
| Front fork | Bulls Lytro 36 Supreme SL 1.8 Boost 150 mm |
Components
| Grips | ERGON GX10 |
| Saddlebag | Rumble Escalator |
| Saddle | Selle Royal SRX |
| Handlebars | Rumble Altimate |
| Extender | Rumble Altimate |
| Coats | Schwalbe Nobby Nic Perf, Folding 62-622 29 x 2,40 |
Transmission
| Shifter | Shimano Cues RD-U6000 |
| Sorting | SHIMANO CUES SL-U6000-11R, RAPIDFIRE Plus, 11- speed |
| Cassette | Shimano CS-LG400-11 11-50T |
| Number of gears | 1x11 |
Brakes
| Rear brakes | Trp HD-M807 hydraulic disc brake, 203 mm |
| Front brakes | Trp HD-M807 hydraulic disc brake, 203 mm |
Questions
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