20" 24V250W electriques des kits de conversion velo,facile a installer; emballage solide, ... kits directly, warranty covered by manufacture,DROPSHIP is available.FrancaisEntierement electriques kits de conversion de bicyclette, y compris 250W disque de ... packing size,this is a rgular sample packing: 20" 24V250W electriques des kits de conversion velo