Heavy duty and reliable. With a Shimano drivetrain and a load limit of 330 lbs., the Copperhead HD is a workhorse of a hardtail eMTB built to handle tough rides.

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.