... information for 48V 500W electric bike convertion kit Kit NameDescriptionRear drive motorDiameter 100mm, 6 kg, fork 145mm, 48V 500W, with sensor, disc brake option, ... or 13g spokesController12 MOSFETs, for 48V 500W, with regenerative charging, speed-limited or not by hands Lithium Ion battery48V 10AH in ... Brake160 holes or 140 holes option disc tray 48v 500w electric bike kit with dc motor 48 volt