Freeform Cardio Ski Trainer "col3-RubberGymFlooringTile" The GST20 is designed to

The GST20 is designed to align your body to perfect seated posture and reduce stress on your back without restricting movement

Diameter: 28MM

Gives you one of the best exercises to build the strongest rock solid Calf muscles

Provides a deep

Its smooth movement

Freeform Cardio Ski Trainer "col3-RubberGymFlooringTile" The GST20 is designed toDevelop your strength and endurance with the Freeform Ski Trainer. Designed to simulate the movement of cross country skiing, this low impact machine gives you a full body workout all in the comfort of your home or commercial gym. The innovative flywheel technology allows you to adjust the airflow quickly and change the feel of the pull to suit your workout. Modern features and ergonomic comfort meets old school hardcore training. The Freeform Ski