2025 Surron Ultra Bee Electric Bike

The 2025 Surron Ultra Bee Electric Bike redefines off-road performance with a powerful 12.5 kW motor, 440 Nm (325 ft-lbs) torque, and a top speed of 56 mph (90 km/h). Built for adventure, this high-speed e-bike delivers an 87-mile (140 km) max range at 25 mph (40 km/h) and features four riding modes (Sport, Daily, Eco, Reverse) for versatile terrain handling. Additionally, the Surron Traction Control System (SRTC) and Energy Regenerative Braking (SERS) ensure superior control and efficiency. With a lightweight 187-lb (85 kg) forged aluminum frame, adjustable suspension, and hydraulic disc brakes, the Ultra Bee is the ultimate off-road electric bike for thrill-seekers.

Specifications

Powertrain

• Motor Type: Permanent magnet synchronous motor (PMSM)

• Peak Power: 12.5 kW

• Peak Torque: 440 Nm (325 ft-lbs)

• Top Speed: 56 mph (90 km/h)

• Max Range: 87 miles (140 km) @ 25 mph (40 km/h)

• Battery Pack: 74V/55Ah Lithium-Ion

• Charging Time: 4 Hours (0-100%)

Rider Aids

• Riding Modes: Sport, Daily, Eco, Reverse

• Traction Control: Surron SRTC System

• Regenerative Braking: SERS Technology

• Reverse Gear: Button-activated

Chassis & Suspension

• Frame & Swingarm: Forged aluminum alloy

• Front Suspension: 37 mm inverted fork, 9.4″ (240 mm) travel

• Rear Suspension: Adjustable TR monoshock, 9.4″ (240 mm) travel

• Front Wheel: 19″ wire-spoked, 80/100-19 off-road tire

• Rear Wheel: 19″ wire-spoked, 90/90-19 off-road tire

• Brakes: 240 mm hydraulic discs (front & rear)

Dimensions & Weight

• Curb Weight: 187 lbs (85 kg)

• Max Load Capacity: 220 lbs (100 kg)

• Dimensions: 79.1″ x 34.6″ x 46.4″ (2,010 x 880 x 1,178 mm)

• Ground Clearance: 12.5″ (318 mm)

• Wheelbase: 54.3″ (1,380 mm)

• Seat Height: 35.8″ (910 mm)