500W Smart Carbon Steel Frame Adult Electric City Bike with Lead-Acid Battery

500W Smart Carbon Steel Frame Adult Electric City Bike with Lead-Acid Battery. 5-Year Warranty Coverage: Comprehensive 5-year warranty for peace of mind and long-term reliability. High-Speed Performance: Max speed reaches 20-40km/h with 351-500W motor power options. Removable Battery Design: 48V 12Ah lead acid battery allows for easy removal and convenient charging. Durable Steel Frame: Constructed with high-strength steel for robustness and stability. Flexible Customization: Offers full, minor, and sample-based customization options for buyers. Multiple Motor Options: Available in 250W, 350W, and 500W configurations to suit different needs. Fast Delivery Time: Average lead time is one month for both peak and off-peak seasons.