New Ground breaking Powertrain The Surron 4th era powertrain was designed uniquely for Ultra Bee Black Edition. Its special full isolated electrical architecture can stay clear of possible interference concerning large and low voltage circuit elements.The mixture of 74V55AH battery pack and twelve.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