THE GREAT EQUALIZER, THE COPPERHEAD EVO HD DIAMOND 750 IS THE MOST ACCESSIBLE EMTB AVAILABLE.
The BULLS Copperhead EVO HD 750 Diamond is a high-performance electric mountain bike built for riders seeking confidence and comfort on rugged terrain. Here’s a detailed look at what makes this eMTB so capable:
Motor and Battery
- Motor: Bosch Performance Line CX motor with 85Nm of torque for responsive and powerful pedal-assist on climbs and trails.
- Battery: Bosch PowerTube 750Wh battery, fully integrated into the frame for a clean look. Charging time: approx. 6 hours.
Suspension and Frame
- Fork: BULLS Lytro 35 Supreme SL Boost fork with 120mm travel for smooth control on bumpy terrain.
- Frame: Durable 6061 aluminum with internal cable routing. Available sizes: 41 / 44 / 48 / 54 cm.
Drivetrain and Brakes
- Gears: Shimano Deore 10-speed drivetrain for smooth, versatile shifting.
- Brakes: Tektro HD-M530 hydraulic disc brakes with 203mm front / 180mm rear rotors for confident stopping power.
Wheels and Tires
- Wheels: 27.5″ wheels offering a great mix of agility and stability.
- Tires: Schwalbe Smart Sam 27.5″ x 2.6″ tires with excellent grip for all-terrain performance.
Additional Features
- Remote: BOSCH LED remote with Bluetooth connectivity to your smartphone. Displays battery level in a compact, easy-to-use format.
- Pedals and Saddle: BULLS MTB pedals and Zecure MTB saddle for durability and comfort.
Technology and Design
- MonkeyLink Ready: Integrated mounts for lights, fenders, and more—snap on and ride.
- Class-1 eBike: Pedal-assist up to 20 mph, trail-legal and fun-ready.
- The Copperhead EVO HD 750 Diamond is perfect for riders seeking an accessible yet powerful eMTB that’s equally at home on weekend trail adventures and weekday fitness rides.
SPECIFICATIONS
DriveUnit: Bosch CX Smart System
Battery: Bosch PowerTube 750 Wh Smart System
Charger: Bosch Smart System 4A
Charging time: 6 hours
Display: Bosch LCD Remote
Frame: Aluminum 6061
Fork: BULLS Lytro 35 Supreme SL Air Boost, 29, 120 mm
RearShock:
Derailleur: Shimano Deore RD-M5120-SGS
Gears: 10-speed
Crankset: FSA Eco Steel Boost Spider #W0147, 38T
Cassette: Shimano CS-M4100-10, 11-46T
Brakes: Tektro HD-M530/530 hydraulic disc, 203/180 mm
Handlebar: ZECURE MTB Alloy, Dia 31.8 mm, 740 mm, 25 mm raise, 9° back swept
Stem: BULLS MTB internal cable
Seatpost: ZECURE Alloy 30.9 x 350 mm
Seat: ZECURE MTB
Hubs: Formula CL-811/CL2241
Rims: Ryde Disc 30
Tires: Schwalbe Smart Sam K-Guard 65-584, 27.5 x 2.60
Pedals: ZECURE MTB
Weight: 55.8 lbs.
* Specifications subject to change without notice



