... Aluminum alloy. 6. The e-bike looks handy and portable.And more important,it is easy to remove. ModelSpecificationTDP1001ZFrame18"*410mm ... the technology of “LONGYEAH” eletric bicycle.Adopting safe and reliable lithium iron battery,which has fundamentally different with ... impack,stress,puncture,short circuit,high-voltage charge,high temperature and other extreme conditions, it will not explode or burn ...