The Catalina 48 Volt Lithium Powered Electric Beach Cruiser Bicycle is a Lithium Battery powered Electric Bicycle cranking out 500 Watts from the Bafang High Torque Zero Resistance Clutch Motor. This bike features a lightweight, compact lithium LiPo4 48 volt 10.4 Ah integrated battery pack providing a considerable amount of power greater than our 24 volt or 36-volt models. This bike comes with everything Aluminum - every bolt, every nut, every spoke. That means no rust! The 100% hand welded lightweight aluminum frame bicycle has Atlus Shimano 9-Speed Gears & Shifting System, Suntour 700C Front Suspension, aluminum rims with quick release axle on the front, and a waterproof quick disconnect on the rear.