I-Zip E3 Zuma-500 Watts of “Power on Demand” in a retro styled package. And top quality components from head to toe. That’s the all new IZIP E3 Zuma Cruiser. Old-school simplicity paired up with modern eBike technology and design for relaxed good times and an über-comfortable laid-back ride.The IZIP E3 Zuma is a modern interpretation of the tried and true formula of everything that makes riding a cruiser great, including simplicity. Featuring our powerful, state-of-the-art, 36V / 500 Watt.