Surron Ultra Bee HP – Black | Key Features

Power & Performance

To start, the Surron Ultra Bee HP delivers serious electric performance with a purpose-built design for aggressive riding:

• 21 kW motor producing 511 Nm of torque for instant acceleration
• Top speed of 95 km/h, balancing speed and control

Battery & Range

Equally important, the high-capacity battery supports extended rides without compromise:

• 74V – 60Ah lithium battery for long-lasting power
• Up to 140 km range when cruising at 40 km/h

Chassis & Practical Features

Finally, thoughtful design details improve ride quality and everyday usability:

• New and improved front fork for enhanced stability
• Convenient under-seat charger storage for easy transport

New Features & Performance Improvements

Most notably, the Ultra Bee HP introduces several upgrades that significantly elevate both power and control:

• Turbo Button: Instantly unlocks the full 21 kW of peak power when you need it most
• Crawling Function: Provides precise low-speed control for technical off-road terrain
• Upgraded Battery: The 74V 60Ah configuration delivers extended range and stronger punch
• Advanced MTPA/MTPV Controller: Ensures smarter, more efficient power delivery
• Hairpin Motor Design: Improves efficiency while allowing faster heat dissipation
• 0–59 mph Capability: Lightweight construction paired with ferocious acceleration

New Suspension System

In addition, the redesigned suspension system offers major gains in strength and impact resistance:

• 50% stronger gold front fork with uniform wall thickness for added durability
• Upgraded damping and hydraulic buffers, resulting in 30% better impact resistance

Primary Drive Overhaul

Equally important, the primary drive has been reengineered for durability and efficiency:

• Carbon fiber belt paired with forged pulleys for smoother power transfer
• Tungsten carbide pulley surfaces, delivering three times the wear resistance

Range & Charging

When it comes to usability, the Ultra Bee HP excels in both range and charging efficiency:

• Estimated range: Up to 70 miles at reduced speeds
• Charge time: 20% to 80% in approximately 2.5 hours

Design & Aesthetic Enhancements

Beyond performance, the Ultra Bee HP receives several visual and structural upgrades:

• Sleek new Sand-Gold body color or Carbon Black finish
• Gold-accented front fork and guard plate decals for a premium look
• Custom 18-inch rear wheel set for improved traction and stance
• Slight weight increase (8 lbs) to enhance durability and power delivery
• Available in Carbon Black or Desert Brown

Ride Modes & Controls

To adapt to any riding condition, multiple ride modes and traction settings are included:

• Eco / Daily / Sport / Reverse / Turbo modes
• Three-level adjustable crawling control for technical riding

Technical Specifications

For reference, here are the core specifications that define the Ultra Bee HP:

• Motor: PMSM with MTPA/MTPV controller
• Max Power: 21 kW (Turbo) / 18 kW (Sport)
• Max Torque (at wheel): 376.9 ft-lbs
• Battery: 74V / 60Ah lithium-ion
• Top Speed: 59 mph
• Seat Height: 35.8 in
• Ground Clearance: 12.4 in
• Wheelbase: 54.3 in
• Frame: Forged aluminum alloy
• Front Tire: 80/100-19 off-road
• Rear Tire: 100/90-18 off-road
• Front Fork Travel: 9.4 in
• Rear Shock Travel: 3.3 in (9.4 in wheel travel)
• Throttle Curve: Three adjustable settings
• Rider Weight Capacity: 220 lbs
• Weight: 195 lbs (dry)

Smart Electronic Features

Finally, advanced rider aids enhance safety and performance:

• SRTC and BERS assist systems for improved traction and regenerative braking

Instructions: Settings & ASR Setup

1. Power On and Enter Settings Mode

First, place the kickstand down and power on the bike. Then, press and hold the Ready and ASR buttons simultaneously for three seconds until the display shows the letter B followed by a number.

2. Navigating the Settings Menu

Next, tap ASR to move to the next setting. To adjust the selected value, tap Ready.

3. Settings Overview

The following settings allow you to fine-tune the riding experience:

• B0–B5: Brake regeneration (active under 95% battery in Sport mode)
• E0–E5: Engine coasting regeneration
• A1–A3: Anti-Slip traction control (ASR)
• P0–P1: Throttle pause when braking
• 8 / C1: Crash cutoff (C1 disables motor if the bike tilts excessively)
• F1–F3: Throttle sensitivity in Sport mode
• T0–T1: Diagnostic testing mode
• U1–U3: Charging speed control for utility power

How to Set Up ASR (Anti-Slip Traction Control)

1. Activating ASR

To begin, press the ASR button three times in a row. Once activated, the ASR indicator light will turn green.

2. ASR Strength Levels

Meanwhile, the right-side instrument panel displays traction strength:

• One bar: Light assistance (allows short wheelies)
• Three bars: Maximum traction control

3. Adjusting ASR While Riding

While riding, you can easily fine-tune traction control:

• To toggle ASR on or off, press the ASR button three times
• To adjust strength, hold ASR and then double-click the reverse (R & S) button

Altogether, these features and settings help you unlock the full potential of the Surron Ultra Bee HP, delivering a refined balance of power, control, and advanced electronic performance.