New Impressive Powertrain The Surron 4th generation powertrain was designed uniquely for Ultra Bee Black Version. Its special full isolated electrical architecture can avoid potential interference amongst high and low voltage circuit parts.The combination of 74V55AH battery pack and twelve.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