The Matrix Fitness 001728-BA Seat Pad provides cushioning and support for comfortable use on compatible Matrix Fitness equipment. The pad attaches to the equipment seat and provides a stable surface for seated workouts. Designed for compatible Matrix upright exercise bikes and related fitness equipment, this replacement seat pad can be used when the original pad is worn or damaged. It... https://www.wholetoolbox.com/matrix-fitness-001728-ba-seat-pad/001728-BA.html