This 14″ lightweight and portable Xerdisc™ for sale from SPRI is ideal for balance and strength workouts. The thick wall construction and increased rigidity provide more stability. Anyone can do exercises like push-ups, swats, and crunches, while the more advanced user can do more challenging balance workouts to improve core strength. The tapered platform surface allows for a varied foot placement and the lower profile decreases elevation off the floor. You can control the level of challen
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