... 4.CE,UL, RoHS DIY Electric bicycle conversion kit Gear motor with 9 spockets 12-28''wheel,150 ... -350w CCC,CE,ROHS,ISO9001 Let's make things better !electric bicycle ... 700C16KG36v-10AH LIMNREAR gear motor (135mm+6 CLUSER with DISK BREAK ADAPTER)150w-350w12"-28"700C16KGFOR USA ... -10AH LIMNREAR direct motor (135mm+6 CLUSER with DISK BREAK ADAPTER)200-350w12"-28"700C15KG36v-10AH ...