A SECRET WEAPON FOR SURRON ULTRA BEE ON SALE NOW

New Ground breaking Powertrain The Surron 4th generation powertrain was made uniquely for Ultra Bee. Its special full isolated electrical architecture can stay away from possible interference involving large and small voltage circuit factors.The combination of 74V55AH battery pack and 12.5KW / 440N.m torque drivetrain would make Ultra Bee a lighti