... Let's make things better!Electric bike kit12-28"wheel,24-48VCE,CCC,EN15194,RoHSLet's make things better! electric bicycle ... parts- half a yearContact us1.We will answer your mail within 24 hours and any question please feel free contact us.2.If ... blackNoise≤55dbNet Weight≤3.5KgHall SensorOptionalSpeed SensorOptionalSalt fog test (h)24/96Water proof GradeIP54 BatteryLiMnLiFePo4 24V,36V,48V24V,36V,48V 7Ah ...