Bike Conversion Kit motor spe.:24-36-48v-60v power:200w-250w-350-500-800-1000w 2011 new Bike Conversion Kit specifications1.the bike conversion kits is quiet and relialable brushless gearless hub moor 2.straight spoke and saver rim e-bike conversion kit:it kit includes motorized wheel ,motor,controller,speed throttle,power brake,wire harnessquiet and reliable brushless gearless hub motormotor spe ...