e bike kit&brushless hub DC motor kit 24V36V/48V 12-28''wheel,24-48V CE,CCC,EN15194 ... ,RoHS Let's make things better! e bike kit&brushless hub ... DC motor kit 24V36V/48V12-28''wheel,24-48VCE,CCC,EN15194,RoHSLet ... speed:25km/h(Eur) 32km/h(USA&Canada) e bike kit&brushless hub DC motor kit 24V36V/48V