Lifespan Fitness ST-15 Vertex 4 Level Commercial Stair Climber

Take your cardio and strength training to the next level with the ST-15 Vertex Commercial Stair Climber—a powerhouse machine built to push endurance, build muscle, and burn calories in one relentless full-body workout.

Designed for serious performance, stair climbing engages your legs, glutes, core, and cardiovascular system simultaneously, helping you develop functional strength and lasting fitness results. With 25 intensity levels and speeds ranging from 22 to 124 steps per minute, every session can be tailored from controlled endurance work to high-intensity climbs.

Built with a heavy-duty commercial steel frame and a revolving eight-step staircase, the ST-15 delivers rock-solid stability and smooth, consistent motion even under intense use. Large padded handrails provide comfort and support, while quick controls and an emergency stop button ensure safe, responsive training at all times.

Stay connected and motivated with the LED dot matrix console, featuring 36 preset programs and real-time tracking of steps, time, distance, calories, height, and heart rate. With built-in device stand and wireless phone charging, your training experience stays modern and convenient.

Engineered for performance environments, the ST-15 supports up to 200kg and is built for durability, safety, and long-term commercial use.

Strong, smart, and uncompromising—the ST-15 turns every step into serious results.

WARRANTY Lifetime of 8 Years Frame warranty 12 Months Parts replacement warranty