The 15" steel frame with 650b wheels offers a sturdy and durable design, tailored specifically for ladies. The steel frame provides excellent strength and resilience, making it perfect for both casual and daily rides. Its 650b wheels enhance maneuverability, ensuring a comfortable and controlled riding experience, especially for riders who prefer a more agile bike with a slightly lower wheel size than the standard 700c. Whether you're commuting or enjoying a leisurely ride, this frame and wheel combination delivers comfort, stability, and a smooth ride.