Flywheel: The bike has a flywheel (the large wheel at the front) that helps provide a smooth cycling motion.
Adjustable Resistance: It includes a system for adjusting the resistance, which allows users to control the intensity of their workout. Some models have a magnetic brake system, while others use a brake-shoe system.
Adjustable Components: The seat and handlebars can be adjusted both vertically and horizontally to accommodate different users and provide a comfortable riding position.