Wattage:351 - 500w Voltage:36V Power Supply:Lithium Battery Motor:Brushless Certification:CE Frame Material:Aluminum Alloy Foldable:Yes Max Speed:30-50km/h Range per Power:> 60 km 1000w electric bike ,:Yunshine Battery brand:Lithium we are factory:Yes really in good quality:Yes Painting craft:great After sales service:7*24 hours foldable:Yes comfortable experience:Yes large power:500w can visit factory:Yes, welcome Show More