# Pro-Box Speedball Bladder

Keep your speedball drumming at full pace with the Pro-Box Speedball Bladder. This replacement inner bladder brings back the bounce and consistent rebound of a worn speedball without the cost of a brand-new ball.

Available in size 4 (small) and size 5 (large) to match the most popular speedball formats, it is the quick, low-cost fix that gets you back on the platform building speed and rhythm.

**Main Features:**

-   **Two sizes:** Choose size 4 (small) or size 5 (large) to fit your ball.
-   **Direct replacement:** Restores rebound and timing to a tired speedball.
-   **Durable construction:** Holds air through fast, repeated punching.
-   **Cost effective:** Refresh your speedball instead of replacing it.
-   **Easy to fit:** Slots straight inside the outer casing.

Browse the full [Pro-Box collection](/collections/pro-box) and more [training equipment](/collections/punch-bags) at Made4Fighters.

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### Tech Specs:

-   Type: Replacement speedball inner bladder
-   Sizes: 4 (small), 5 (large)
-   Brand: Pro-Box
-   Country of Origin: India
-   Care: Wipe clean, store away from direct heat

## Details

- **Price:** 4.99 GBP
- **Vendor:** Pro-Box
- **Type:** Speedballs
- **Tags:** Accessory, Adult, Bladder, India, m4f-optimized, New Arrival, Pro-Box, Replacement, Size 4, Size 5, Speedballs, Sport: Boxing, Sport: Kickboxing, Sport: Muay Thai, Unisex

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| SIZE 4 | 4.99 GBP | In stock |
| SIZE 5 | 4.99 GBP | In stock |

## Images

- Pro-Box Speedball Bladder

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> Source: [Made4Fighters](https://made4fighters.com/products/pro-box-speedball-bladder)
> Updated: 2026-06-04