New Innovative Powertrain The Surron 4th technology powertrain was designed uniquely for Ultra Bee Black Version. Its special full isolated electrical architecture can keep away from likely interference between significant and very low voltage circuit parts.The combination of 74V55AH battery pack and 12.5KW / 440N.m torque drivetrain makes Ultra https://open.substack.com/pub/foryourinformation1/p/unveiling-the-surron-ultra-bee-2025?r=4hwl1w&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true