New Modern Powertrain The Surron 4th technology powertrain was designed uniquely for Ultra Bee Black Version. Its special full isolated electrical architecture can avoid probable interference among higher and minimal voltage circuit components.The mixture of 74V55AH battery pack and 12.5KW / 440N.m torque drivetrain makes Ultra Bee a lighting https://open.substack.com/pub/foryourinformation1/p/unveiling-the-surron-ultra-bee-2025?r=4hwl1w&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true