Extra durable, tough and resilient butyl rubber replacement bladders are specifically manufactured for every speed bag we offer. Built for super speed, precision rebounds and professional training. Always keep a spare around for emergencies!

XS fits sizes: 4” x 6”, 4” x 7” speed bags
S fits sizes: 5” x 7”, 5" x 8" speed bags
M fits sizes: 6" x 9", 7" x 10" speed bags
L fits sizes: 8" x 11", 10" x 12" speed bags

Color may vary.

You MUST moisten the needle before inserting it in the bladder (Petroleum Jelly is best.) This will help prevent small tears in the inflation valve and deflation of your bag.