

The Babolat Air Viper 2.6 2026 is tailored for advanced allrounders seeking a lighter frame (355 g) with an X-EVA core and Carbon 16K face. Meanwhile, the Bullpadel Hack 04 2025 targets pro-level attackers who prefer a heavier weight (365–375 g) paired with a high balance point of 26.4 cm. Both rackets offer a medium core hardness and a strong lean toward power in our assessment, but cater to distinct player weights and court profiles.
| Feature | Babolat Air Viper 2.6 2026 | Bullpadel Hack 04 2025 |
|---|---|---|
| Season | 2026 | 2025 |
| Shape | Not stated by manufacturer | Diamond |
| Shape (our assessment) | Diamond | Not stated |
| Weight | 355 g | 365–375 g |
| Thickness | 38 mm | 38 mm |
| Balance | Not stated | High |
| Balance Distance | Not stated | 26.4 cm |
| Face Material | Carbon 16K | Not stated |
| Frame Material | Carbon | Not stated |
| Core Material | X-EVA | Not stated |
| Level | Not stated by manufacturer | Pro |
| Level (our assessment) | Advanced | Not stated |
| Core Hardness (our assessment) | Medium | Medium |
| Power vs Control (our assessment) | 4 (scale: 1 pure control to 5 pure power) | 4 (scale: 1 pure control to 5 pure power) |
| Sweet Spot (our assessment) | Small | Small |
| Target Player Type (our assessment) | Allrounder | Attacker |
Which one has more power?
In our assessment, both rackets score a 4 on our 1-to-5 power vs control scale, placing them heavily on the power end of the spectrum. However, they generate that output differently based on their physical attributes.
The Bullpadel Hack 04 2025 relies on structural weight and leverage. With a manufacturer-stated weight of 365–375 g and a high balance set at 26.4 cm, it places mass further out toward the tip of the diamond frame. This higher swing weight aids aggressive offensive plays, allowing players to put substantial plow-through power into overhead smashes and heavy viboras.
By contrast, the Babolat Air Viper 2.6 2026 comes in significantly lighter at 355 g. It pairs a Carbon 16K face and Carbon frame with Babolat's X-EVA core, which, combined with a diamond shape in our assessment, delivers sharp power through swing speed rather than heavy mass. Players who hit quick bandejas or rapid overheads might find the lighter mass easier to accelerate.
Which is easier to play?
Ease of play is largely defined by racket weight, balance distribution, and sweet spot size. In our assessment, both models feature a small sweet spot and a medium core hardness. Neither racket is forgiving on off-center hits, meaning off-center strikes will lose precision.
Where they differ most is handling dynamics. The Babolat Air Viper 2.6 2026 is noticeably lighter at 355 g. In defensive situations, such as defending low balls off the back glass or maneuvering quickly for fast net volleys, the lower total weight demands less physical effort from the arm. Note that its official balance point is not stated by the manufacturer.
The Bullpadel Hack 04 2025 sits at 365–375 g with a high balance point. This distribution puts more weight in the head, requiring greater forearm strength when defending deep in the court or reacting to fast chiquitas. However, for players built to manage head-heavy frames, that mass provides exceptional stability when blocking hard shots at the net.
What are the key material and spec differences?
The manufacturers highlight completely different technical aspects for these two models:
For the Babolat Air Viper 2.6 2026, the manufacturer provides full material details: a Carbon frame, a Carbon 16K face, and an X-EVA core. However, Babolat does not state the official player level, shape, or balance distance. In our assessment, we classify its shape as diamond and its intended player level as advanced.
For the Bullpadel Hack 04 2025, the manufacturer focuses on geometry and setup: a diamond shape, a high balance with a 26.4 cm balance distance, and an official pro player level rating. The exact face material, frame material, and core type are not stated by Bullpadel. Both rackets share a standard 38 mm frame thickness.
Who should buy which?
Choose the Babolat Air Viper 2.6 2026 if you:
- Are an advanced allround player looking for a diamond-shaped frame (in our assessment).
- Prefer a lighter total weight (355 g) for faster handling at the net and less strain during long matches.
- Value explicit carbon specs, including a Carbon 16K face and X-EVA core.
- Can consistently center your hits on a small sweet spot (in our assessment).
Choose the Bullpadel Hack 04 2025 if you:
- Are a pro-level attacking player who wants high head weight for dominant overhead power.
- Prefer a heavier frame (365–375 g) with an officially stated high balance (26.4 cm).
- Play primarily on the left side (or an aggressive attacking style) where heavy smashes and aggressive viboras are a priority.
- Have the physical strength to manage a head-heavy diamond racket during glass defense.
Frequently asked questions
What is the core hardness of these rackets?
In our assessment, both the Babolat Air Viper 2.6 2026 and the Bullpadel Hack 04 2025 feature a medium core hardness. Babolat specifies using an X-EVA core material, while Bullpadel's specific core material is not stated.
How large is the sweet spot on each frame?
In our assessment, both rackets have a small sweet spot. Because of this, both frames reward precise, clean contact and are best suited for advanced or professional players.
Which racket is lighter?
The Babolat Air Viper 2.6 2026 is lighter, weighing 355 g according to the manufacturer. The Bullpadel Hack 04 2025 has a manufacturer weight of 365–375 g.
