SurRon Ultra Bee 25 - Unleash the Power The SurRon Ultra Bee 25 is engineered for extreme power, top-tier handling, and durability. Turbo Button: Reach a massive 21kW peak power or maintain 18kW in Sport mode. Crawling Function: Perfect for technical trail riding, offering superior control. Battery Upgrade: High-performance 74V60Ah lithium battery for longer rides. Lightning-Fast Acceleration: 0–31 mph in just 2 seconds. Enhanced Fork: 50% stiffer for better handling and impact resistance. New Controller:  MTPA/MTPV Controller for ultimate efficiency and precision. Upgrade your ride today and experience the best in electric performance.