... motor--easy to install, stronger packing--can retail directly. electric bicycle conversion kits only,including 700C rim,spokes,250W front Disc brake ... 1 PcDisplay1 PcManual, Zip tie, Screw1 Set Package:The kit offers durability and performance in mind,packed as retail standard ... by manufacture.How to install the kit?we have very detailed user manual, every kit package will have one. Distributor can ...