Brand | BOSU |
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Color | Blue/Black |
Item Weight | 10.5 Pounds |
Material | Rubber |
Product Dimensions | 22.5"L x 21.5"W x 7"H |
Maximum Weight Recommendation | 250 Pounds |
Age Range (Description) | Adult |
Manufacturer | Ball, Bounce and Sport, Inc. |
UPC | 033149039594 |
Global Trade Identification Number | 00033149039594 |
Item Package Dimensions L x W x H | 22.6 x 21.8 x 3.65 inches |
Package Weight | 4.88 Kilograms |
Item Dimensions LxWxH | 23 x 22 x 4 inches |
Brand Name | BOSU |
Warranty Description | 90 Days |
Model Name | BOSU® Sport Balance Trainer (Travel Size), Blue/Black |
Suggested Users | unisex-adult |
Number of Items | 1 |
Part Number | 8272 |
Model Year | 2016 |
Included Components | BOSU Sport Balance Trainer - Blue/Black^Pump^exercise manual |
Size | 23"L x 22"W x 4"H |
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BOSU Sport Balance Trainer, Travel Size Allows for Easy Transportation and Storage, 50cm,
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Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Brand | BOSU |
Color | Blue/Black |
Item Weight | 10.5 Pounds |
Material | Rubber |
Product Dimensions | 22.5"L x 21.5"W x 7"H |
About this item
- Accomplish a total body workout and develop muscular endurance with this non-slip travel-size balance trainer which offers a range of exercises to keep your body engaged and progressing
- Features a flat side for a stable base and a dome side for balancing challenges, this trainer allows you to customize your workouts to meet your fitness goals and can hold up to 250 pounds
- Built with convenient 6 rubberized feet prevents slipping and sliding so you can focus on your form while ensuring your safety during intense workouts, making it a great addition to any home gym setup
- Crafted out of latex-free, burst-resistant material and phthalate-free for a safe, chemical-free workout and long-lasting use ensuring a worry-free exercise experience for years to come
- Builds core strength and stability, improves balance and agility, and enhances body awareness and coordination while its compact design makes it ideal for on-the-go, travel, and outside fitness
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From the manufacturer


BOSU SPORT BALANCE TRAINER (50 cm)
The BOSU Sport Balance Trainer is simply a smaller version of the original BOSU Home Balance Trainer. It's constructed with the same strong, durable dome material but measures just 50 cm across. While smaller in size, it delivers the same killer workouts of the original BOSU Balance Trainer and most BOSU exercises can easily be performed with the BOSU Sport Balance Trainer.
Whether you’re a first time beginner, or an experienced athlete, the BOSU Balance Trainer Sport 50 CM is versatile enough to provide a workout that is not only effective, but fun! Makes a great addition to any home gym.
- Reshape your body
- Tone & strengthen
- Improve balance & agility
- Enhance movement capabilities
- Improve flexibility

BOSU SPORT IS EASY TO CARRY AND EASY TO STORE
- 22 Inches Across
- Weighs just 10 pounds
- Recessed handles make it easy to carry
- Smaller size is easy to store

BOSU SPORT IS GREAT FOR KIDS AND SMALLER ADULTS
The smaller size and fun colors of the BOSU Sport makes it a great way to get kids exercising in an energetic and fun way. When kids jump, bounce and balance on the BOSU Sport they’re getting a cardio workout, building strong bones and strengthening their bodies. The BOSU Sport is also a smart choice for smaller adults.

Does Everything a Full Size Balance Trainer Does
The BOSU Sport Balance Trainer may be small, but that doesn't mean it can't do everything a full-size balance trainer can. Perform all the same exercises on the BOSU Sport as you would on any BOSU Balance Trainer.
Product information
Technical Details
Additional Information
ASIN | B01C34QSKG |
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Customer Reviews |
4.3 out of 5 stars |
Best Sellers Rank |
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Date First Available | February 22, 2016 |
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BOSU Sport Balance Trainer, Travel Size Allows for Easy Transportation and Storage, 50cm,
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Product guides and documents
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers find the balance board well-made, effective for core training, and great for balance and stability exercises. They appreciate its size, being small enough to fit under a chair, and its color, particularly the bubblegum pink with lime green design. Customers consider it worth the money, with one noting it's cheaper than the full-size version. While some customers find it easy to inflate, others report issues with it not staying inflated overnight, and opinions on ease of use are mixed, with some finding it easier to use while others find it challenging.
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Customers find the balance board well made and durable, with one customer noting improved strength in their hips and glutes.
"...Product is sturdy and well made. No issues with leaking. Great purchase for an active kid." Read more
"...It is well made and I have not experienced any problems after almost one year." Read more
"Sturdy and easy to use. Great product." Read more
"...So far, so good! Glad there is such a good product." Read more
Customers find the balance board effective and excellent for home use, with one customer specifically mentioning it works well for core training.
"...Otherwise works great and has held up to numerous people jumping on it including my nephews treating it like a mini trampoline." Read more
"...This one is smaller but still effective" Read more
"Was hesitant about the size of the sport model but it’s sturdy and works well. Great addition for the basement workout space." Read more
"Excellent, wonderful product. Great way to get in shape in the comfort of your own home. Works really, really well. 5 star seller...." Read more
Customers find the balance board effective, particularly for core and stability training, PT exercises, and enhancing workouts. One customer mentions using it daily for balance and core strength, while another notes it works well for upper body and arm exercises.
"Great workout - you don't even realize how hard your core is working. My entire core was so sore two days after my first workout...." Read more
"Great workout tool..." Read more
"...When I use the ball, it builds my core, balance, and strength at the same time! It came in on time, was easy to inflate, and is well made!..." Read more
"...It's perfect for my foot exercises & stores easily. If you're looking to try the 50 cm, most stores only carry the 65 cm." Read more
Customers like the color of the balance board, particularly its bubblegum pink with lime green design, and one customer describes it as a lovely blue orb of workout goodness.
"...And I know this is girlish, but I love the bright colors. Pumps up easy and stays inflated well. Perfect size...." Read more
"Love the colors and is as useful as described online. The pump comes with the product for easy inflating." Read more
"Nice and compact! Perfect size for my needs." Read more
"Love the color...I've had this almost a year and haven't used it...I'm so lazy lol" Read more
Customers find the balance board to be well worth the money, particularly noting that it's cheaper than the full-size version and offering good value for the brand name.
"...Very good quality and looks like it will hold up for a LONG time. Price was good...." Read more
"Super high quality and worth the investment. Really sturdy and heavy duty. And I know this is girlish, but I love the bright colors...." Read more
"Avoid this product, it is not worth the hassle...." Read more
"...Worth the money." Read more
Customers have mixed experiences with the balance board's inflation: while some find it very easy to inflate and pump up quickly, others report that it wouldn't inflate at all or deflates when re-filled with air.
"...This fall was easy to inflate and thus far I am very happy with it." Read more
"Does not hold air. Found out too late to return. An expensive mistake 😞..." Read more
"...Easy to inflate, dome seems very sturdy, and I love how it works your core in a variety of ways. Spend a bit more and you will see why...." Read more
"Product did not come with a plug, does not hold air. Besides that the quality of this item is on point." Read more
Customers have mixed experiences with the balance board's ease of use, with some finding it easier to do and no problems setting it up, while others report that the instructions are very cryptic and difficult to use.
"...Simple, easy to use, and effective. Adds difficulty to the simplest of moves and hardly takes up any floor space when tucked away...." Read more
"The instructions could be written more clearly so a first time user (me) could understand them better. The air pump was broken...." Read more
"Easy to use" Read more
"...came assembled; we just used the included pump to inflate it, which was easy and fast...." Read more
Reviews with images

Great quality and versatile
Top reviews from the United States
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- Reviewed in the United States on April 28, 2025Color: Blue/BlackVerified PurchaseLove the quality of BOSU. Have seen it used all over the various Pilates sites that I am a member of and I had to get one for myself.
5.0 out of 5 starsLove the quality of BOSU. Have seen it used all over the various Pilates sites that I am a member of and I had to get one for myself.Great quality and versatile
Reviewed in the United States on April 28, 2025
Images in this review
- Reviewed in the United States on April 29, 2025Color: Pink/NeonVerified PurchaseLove the colors and is as useful as described online. The pump comes with the product for easy inflating.
- Reviewed in the United States on February 15, 2025Color: Blue/BlackVerified PurchaseI recently bought this BOSU Ball from Amazon to make it an integral part of my workouts. I am currently doing PT for leg strength and flexibility and I think this BOSU ball will really help. My PT guy uses it when I go to see him and I want to do it more often. I think it also really helps with balance issues.
- Reviewed in the United States on May 23, 2025Color: Blue/BlackVerified PurchaseOther than a pump part cracked in transit (no protection), this Bosu is the perfect size for me to use in my home for balance and strengthening. Continuing to use the Bosu following my PT discharge where they have ne using the full suze version. I reached out to the company to see if I can get a new pump part, so their response may prompt an updated review.
- Reviewed in the United States on June 23, 2025Color: Blue/BlackVerified PurchaseWhy did you pick this product vs others?:
The included pump didn't work; I went to the hardware store to get a cone shaped air nozzle for my bike air pump. I filled the ball but hear an air leak near the clamp. There's no customer service person to speak with. I bought the brand name so I wouldnt have product issues, but now I wish I had bout a less expensive high rated balance ball. Refund or exchange me?
- Reviewed in the United States on March 13, 2025Color: Blue/BlackVerified PurchaseGreat for balancing routine it’s challenging and fun !
- Reviewed in the United States on January 20, 2025Color: Blue/BlackVerified PurchaseThe BOSU arrived promptly & I was able to quickly fill it & begin using it for my PT exercises. I am working on improving my balance & the ball offers many exercises for that.
- Reviewed in the United States on October 8, 2017Color: Blue/NeonVerified PurchaseI'm delighted with my Bosu sport ball! I use the larger size at the gym, but I wanted something a little bit smaller for home.
See the photos so that you know which equipment to use. First of all, the plug for the ball (to use once you have inflated it) is stapled to a small clear envelope inside a larger clear envelope which contains the instructions.
Don't throw out the instructions or you will throw out the plug!
The ball was pretty easy to inflate. Yes, the pump is a little cheap, but the issue is that when you have the platform side up, the weight of the platform leaves very little air space inside the ball. So when you start pumping, you have to be very patient. For about a minute you will not seem to be getting any air in the ball at all. All of a sudden, the platform will lift a little bit and it will inflate quickly. I literally inflated it in about two minutes.
Once the ball is full and you have the plug handy, slide the pump out and cover the inflation hole in the ball with a finger. With a little bit of timing, you can lift your finger and slide the plug in. Make sure the plug is securely all the way in.
I use the ball for ab work because my wrists bother me when trying to do a plank position on the floor. I also have a right shoulder tendon injury. Having my hands on the side of the Bosu ball keeps my wrist in a neutral position and reduces the strain on my shoulder injury.
You can do mountain climbers, knee to opposite elbow ab moves and spider climber's (knee to same side elbow) for a great ab worked out. Flip the ball over and you can do crunches.
This fall was easy to inflate and thus far I am very happy with it.
5.0 out of 5 starsI'm delighted with my Bosu sport ball! I use the larger size at the gym, but I wanted something a little bit smaller for home.I'm delighted with my Bosu sport ball
Reviewed in the United States on October 8, 2017
See the photos so that you know which equipment to use. First of all, the plug for the ball (to use once you have inflated it) is stapled to a small clear envelope inside a larger clear envelope which contains the instructions.
Don't throw out the instructions or you will throw out the plug!
The ball was pretty easy to inflate. Yes, the pump is a little cheap, but the issue is that when you have the platform side up, the weight of the platform leaves very little air space inside the ball. So when you start pumping, you have to be very patient. For about a minute you will not seem to be getting any air in the ball at all. All of a sudden, the platform will lift a little bit and it will inflate quickly. I literally inflated it in about two minutes.
Once the ball is full and you have the plug handy, slide the pump out and cover the inflation hole in the ball with a finger. With a little bit of timing, you can lift your finger and slide the plug in. Make sure the plug is securely all the way in.
I use the ball for ab work because my wrists bother me when trying to do a plank position on the floor. I also have a right shoulder tendon injury. Having my hands on the side of the Bosu ball keeps my wrist in a neutral position and reduces the strain on my shoulder injury.
You can do mountain climbers, knee to opposite elbow ab moves and spider climber's (knee to same side elbow) for a great ab worked out. Flip the ball over and you can do crunches.
This fall was easy to inflate and thus far I am very happy with it.
Images in this review
Top reviews from other countries
- Amazon CustomerReviewed in Canada on April 22, 2025
5.0 out of 5 stars Bosu products are good quality
Color: Pink/NeonVerified PurchaseI love Bosu products. Just received my new Bosu, pumping it up and hoping there are no leaks etc and that it stays pumped. I had my last Bosu for more than 10 years so I'm hoping this is another 10 years and longer for this particular product. Of course I can purchase more Bosu products as I have over the years.
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KARLA ISLASReviewed in Mexico on June 25, 2018
5.0 out of 5 stars Excelente
Color: PinkVerified PurchaseEl producto excelente, lo único que considero que hace falta especificar es que hay un pago contraentrega por gastos aduanales.
- MelodramieReviewed in Australia on November 4, 2022
5.0 out of 5 stars Great size for easier storage
Color: Blue/BlackVerified PurchaseI’m loving the more compact size of this bosu. It’s easier to find places to store it, and it has all the same functionality of the full sized one. My child also loves to use it.
- Amazon buyerReviewed in the United Kingdom on July 31, 2023
5.0 out of 5 stars Genuine BOSU Ball
Color: Blue/BlackVerified PurchaseGreat! Is the genuine BOSU ball I use in my gym.
The base is extremely sturdy! Glad I’ve paid extra for this! 😊
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oscar giovanni cruz laraReviewed in Mexico on August 14, 2023
5.0 out of 5 stars muy buena
Color: Blue/NeonVerified Purchasela compre para que mi mama hiciera su terapia y le ayudo mucho, es buena y resistente