Rebuild naked Gazelle Cityzen S7 to electric .

Spec's before: Gazelle Cityzen Shimano IGH 7 NEXUS, Rollerbrake's,
Spec's after: Gazelle Cityzen Shim. IGH7 NEXUS,Rollerbrakes, alu. rear black carrier with straps, alu black mudgards,AXA Defender lock, Black alu site-stand, Bafang 36v 250w mid-engine, 36v 13Ah battery,6-36V led lights front and rear, brake-sensor,850 color display, modified chaingard, tuned controller.