... installer; emballage solide, peuvent detail directement, DROPSIPPER EnglishFull electric bicycle conversion kits,including 250W front disc brake motor,24V8AH lithium battery ... covered by manufacture,DROPSHIP is available.FrancaisEntierement electriques kits de conversion de bicyclette, y compris 250W disque de frein avant, ... a rgular sample packing: 20" 24V250W electriques des kits de conversion velo