Its great and I love using it. I think I’ll buy the next size up soon.
EXCELLENT PRO BALL. THE BEST BUT I WOULD LIKE TO SEE A SMALLER PRO BALL XXS 4 BY 7.
Welcome to Jim Bradley Speedball. EST 1975
Jim Bradley Speedball
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Speedball Bladder and Floor to Ceiling Bladder. These Bladders are made from thick rubber and are the best performing bladders on the market.
Ball Sizes:
40cm Bladder will fit all 25cm, 30cm and 40cm Floor To Ceiling Balls
25cm Bladder will fit all 25cm Speedball and 20cm Floor to ceiling balls.
20cm bladder will fit 20cm speedbags as well as the 25cm (blows up the ball to be more round as opposed to teardrop)
How to inflate a Jim Bradley Speed Ball Bladder
To ensure you order the correct size of bladder to fit your ball, measure the length of the bladder after it has been deflated. Please note that an old bladder can stretch a few centimeters over the years.
Measuring Your Bladder:
When the bladders are not inflated they measure from top to base
(valve to tip)
40cm = 28cm inflates to 40cm
25cm = 20cm inflates to a 25cm
Shipping Time: 3-5 business days

Quality bladder. Super easy to install and very balanced.
Looks to be excellent quality. Haven’t needed it yet but looks solid.
Fitted perfectly into my ceiling to floor ball that is over 20 years old and was perfect. ball is just like new again best speed balls and GTC balls I’ve ever purchased and stand the test of time what a product and genuine great customer service.
As always. Perfect
These boxing bladders are the best product I have found in a lot of searching.
Its great and I love using it. I think I’ll buy the next size up soon.
EXCELLENT PRO BALL. THE BEST BUT I WOULD LIKE TO SEE A SMALLER PRO BALL XXS 4 BY 7.