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BOSU® Ballast® Ball 65cm

The BOSU® Ballast® Ball stays put, so your ball does not wander during your workout.

Questions?   Call 1 (800) 810-6528


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The BOSU® Ballast® Ball 65cm was designed to stay put and not wander during workouts. This ball has a six-sided surface design for proper alignment and positioning and has 2.5 lbs. of multi-dimensional load, which can provide a fun, visual effect and audible feedback during lifting, shifting, and shaking exercises. With the BOSU® Ballast® Balls, individuals can perform exercise progressions and dynamic drills that are not possible on a regular stability ball.

  • Exercise DVD
  • Tone & strengthen
  • Improve flexibility
  • Dynamic functional training


  • High-quality, latex-free, burst-resistant material
  • 1 year limited warranty
  • Available in translucent light blue
  • Inflates between 55cm and 65cm when fully inflated
  • Holds up to 136 kg (300 lb)
  • Weighs 2.95 kg (6.5 lb)
  • Includes hand pump and owner’s manual 

Click Here for BOSU® Comparison Chart

Warranty Info

1 year limited for commercial and home usage


Customer Reviews 2 item(s)

It Inflated!
This is the third ball I purchased. The first 2 I returned because they simply wouldn't inflate correctly (one purchased from Amazon and one from Dick's Sporting goods). I was very disappointed, yet I gave it one more last try shot because I knew the value of the ball -- it inflated nicely. The other 2 ball only got as big as a basketball, where as this one inflated to a full 23 inches over 3 days. Yep, 3 days. First attempt I waited 24 hrs. before adding more air, then another 24 hrs, and finally 4 hrs, to get to the desired size. I used the $10 metal tool and a mattress air pump to inflate the ball. I think the ball has to "get accustomed" to it's new size(s) before you can add more air.
Review by Jaye / (Posted on 2/12/2019)
Great way to "change things up"
I have used Bosu products in the past and have been thoroughly satisfied. They are an excellent tool to compliment my workouts with my clients.
Review by Juli / (Posted on 12/23/2018)

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