QUIET & LOW-IMPACT CARDIO: This bike will enhance home workout sessions with ease. Cycle your way to fitness and rehabilitation with this practical, functional indoor bike featuring a built-in belt drive system (versus other bikes with loud chain drive) ADJUSTABLE & EASY TO USE: The bike’s ergonomic design with belt drive system engages your arms and upper body for a true full-body workout. Increase or decrease your workout intensity with the built-in resistance adjustment knob MADE FOR YOUR HOME FITNESS GOALS: This exercise machine also features an updated bidirectional adjustable seat for maximum comfort and an encased fan flywheel for smooth workout sessions