... motorDiameter 100mm, 6 kg, fork 145mm, 48V 500W, with sensor, disc brake option, with 26" double wall rimfront rim and spokesAluminum rim ... , with 12g or 13g spokesController12 MOSFETs, for 48V 500W, with regenerative ... left and rightDisc Brake160 holes or 140 holes option disc tray 48v 500w electric bike kit with dc motor 48 volt