for 18" 24" 26" 700C rim 180W-250W can be Lifepo4,
for 18" 24" 26" 700C rim.
this kits is used to change the bike into electronic bicycle.
its include motor(hub motor,gearless motor),motor controller ,battery charger,battery bag,brake,brake cable,lights,throttle,grip,connector,charger jack,etc, all of parts.