Concept2 SkiErg with PM5, Black Build strength and endurance using the poling motions integral to both techniques of Nordic skiing PM5 Performance Monitor provides immediate, accurate performance data during and after your ski Mounts to a wall (hardware included); Optional Floor Stand (sold separately) makes the SkiErg free standing and easily moveable Lightweight, high strength drive cords for a smooth feel and long life; Ergonomic strapless handles Flywheel responds to your effort on every pull; Control the feel of each pull by adjusting airflow to the flywheel