This exercise bike features a 16-level magnetic resistance system for a quiet, smooth, and customizable workout. It arrives 70% assembled for easy setup. With a robust steel frame supporting up to 260 lbs and an ergonomic seat, it ensures stability and comfort for all users. 70% PRE-ASSEMBLED DESIGN: The exercise bike you receive is 70% pre-assembled, saving you about 30% of assembly time. You only need to install the mainframe, handlebars, monitor, pedals, seat, and stabilizer feet with a few screws. The entire setup process takes less than an hour. Clear instructions and detailed video guides make the assembly process straightforward and effortless for anyone, regardless of their technical skills.