16 LEVEL MAGNETIC RESISTANCE: The precisely engineered 11 lb flywheel, paired with a magnetic control system, delivers 16 levels of resistance for even the most challenging workouts. Crafted from high-carbon steel with an engineered structure, this exercise bike offers exceptional durability and stability. The magnetic belt-driven system ensures a smooth, whisper-quiet operation, perfect for home environments without disturbing others One Bike for All Members: Designed to fit riders from 4'8" to 6'5", the recumbent bikes high adjustability ensures comfort for nearly any user. The 2-way seat offers a 7.9-inch adjustment range, while the backrest features 3 vertical levels for added support. The widened pedals come with 7x2 adjustable positions, accommodating various foot sizes and enhancing comfort during use