... ,EN15194,RoHS, MSDS, UN38.3 21 speed 36v 250w foldable 26" e-bke kit Hot Sale500pcs in StockModel: Z3SpecificationsFoldable designOverall dimension ... aluminum rims, spoke Tires: 26” x 1.95", slime self-sealing flat tire prevention system, weather resistantHandlebar/stem: aluminum, mid-rise bar ... service life CETIFICATIONSCE,EN15194 EN14764 21 speed 36v 250w foldable 26" e-bke kit