2025 Pre- order Surron Ultra Bee - 21Kw

2025 Surron Ultra Bee –

Motor: 18kW high-torque motor (21kW with Turbo Mode)
Top Speed: 59 MPH
Range: Up to 71.5 miles (at ~31 MPH cruising speed)
Battery: 74V 60Ah high-capacity lithium pack
Torque: 377 ft-lbs of wheel torque
Charging Time: 2.5 hours (20%–80%)
Power Modes: Eco / Daily / Sport / Reverse / Turbo
Brakes: DOT-approved four-piston hydraulic brakes
Weight: Slightly increased by 8 lbs for added strength and performance

Key Performance Upgrades:
The Ultra Bee rockets from 0–31 MPH in just 2 seconds, with a dedicated Turbo Button unleashing an incredible 21kW of peak power. Its Crawling Function provides superior control for technical trail riding. A redesigned MTPA/MTPV controller ensures efficient power delivery, while a massive 74V 60Ah battery offers extended range. The new optimized gold front fork improves rigidity by over 50% and damping response by 30% for a smoother ride.

The updated primary transmission features a carbon fiber belt with forged pulleys and tungsten carbide coating, improving belt life by 60% and tripling surface hardness. The new Hairpin motor winding technology provides better efficiency and faster heat dissipation, allowing longer rides under extreme conditions.

Ultra Bee T NA-25 Version Highlights:

• Blazing 0–31 MPH acceleration in 1.1 seconds
• Drive wheel torque of 376.9 ft-lbs
• Optimized front fork for superior stability
• Advanced hydraulic buffer system for enhanced impact resistance
• New custom 18" rear wheel set with gold accents
• Balanced lightweight frame design for improved agility

Electronics & Assistance Functions:

• SRTC and BERS riding assist systems
• Adjustable throttle curve with three levels
• GPS terminal for app connectivity (if available)
• Adjustable charging parameters: L1 (425W), L2 (765W), L3 (1100W)

Performance Specs:

• 0–18.7 MPH: 1.1 sec
• 0–31 MPH: 2.0 sec
• 0–43.5 MPH: 3.1 sec