Get into shape with the top-of-the-line Sunny Health & Fitness SF-b1509 belt drive premium indoor cycling bike. This bike offers all of the necessities for an intense yet enjoyable cycling workout in the comfort of your own home. With a newly improved smoother and quieter belt drive . fully adjustable seat and handlebars . adjustable resistance . and built-on transportation wheels . the Sunny Health and Fitness belt drive premium indoor cycling bike is designed for convenience while also providing the challenging feel of outdoor cycling. The quality of its heavy-duty steel crank and frame is built to withstand time and go the distance with users of all sizes and levels.