Power Systems Ball Base Color:Black Adjustable single strap hook-and-loop: secure

Adjustable single strap hook-and-loop: secure

Fits winter sports and bike helmets

Holds 20 basketballs

Set-in sleeves with rolled forward shoulder seam

Crankset Weight : 690g

Power Systems Ball Base Color:Black Adjustable single strap hook-and-loop: secureThe Ball Base extends the possibilities of your exercise ball by providing a more stable base for it, making stability ball exercises more accessible to beginners. It extends the number of possible exercise routines you can perform, because openings in the LARGE ball base allow you to attach exercise bands and tubing (sold separately). Openings for bands and tubing allow additional exercise possibilities Sturdy, durable, one piece construction Ball