1.6061 alloy frame, foldable 2.lithium polymer 36V/10Ah 3.250w brushless 4.factory price 5.CE,EN15194,RoHS, MSDS, UN38.3 21 speed 36v 250w foldable 26" e-bke kit Hot Sale500pcs in StockModel: Z3SpecificationsFoldable designOverall dimension: 1760*660*1030mmMotor: 250W brushless gearedDrive model: rear wheel driveBattery: LICI® Li-ion type, down tube mounted, 36V 10Ah pack, rechargeable cells, ...