... ,EN15194,RoHS Let's make things better! Electric bicycle kit12-28”wheel,24-48VCE,CCC,EN15194,RoHSLet’s ... make things better!electric bicycle kitFor European market BATTERYMOTOR WHEELWEIGHT24v-10AH LIMNFRONT gear ... 250w-500w12"-28"700C18KGLEAD ACID SYSTEM 24V-10AH SYSTEMOTHER PARTS SAME CHOICE AS LI SYSTEM 12"-28"700C20KG36V- ... /h(Eur) 32km/h(USA&Canda electric bicycle parts