Bullpadel
HACK 04 NEWGIZA
A high-balance diamond built to end points from the left — heavier-hitting than most Hack versions, with a customisable weight system that lets attackers dial in exactly how aggressive they want to go.
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Full spec breakdown
Listing checked at publish date
Highlights
What makes this racket stand out
TriCarbon 18K face delivers immediate, stiff energy transfer — every overhead smash lands exactly as hard as you swing it, with no fiberglass spring to cushion mishits
MultiEVA sandwich core layers dense outer EVA for explosive shot response against a softer inner layer that absorbs shock on slower balls — rare versatility in a pure power frame
CustomWeight system lets you add 3, 6, or 9 grams to the head, so you can start with the stock balance and incrementally push it toward heavier attacking feel as your technique demands it
The feel
How it's built to play, by shape, core and construction — rated low / mid / high rather than on a false 1–10 scale. Higher isn't always better; it depends on the game you want.
Balance — where the weight sits
Even
Handle / low
Head / high
The spec sheet
Weight
365–375g
Year
2025
Shape
Diamond
Level
Professional
Style
Power
Balance
High
Core
MULTIEVA
Face
18K TRI CARBON
Thickness (mm)
38
Our verdict
What the shape, core and construction tell us about how this racket is built to play.
The short version
The Hack 04 Newgiza is the clearest expression of what Bullpadel's diamond line does — it is a left-side finishing tool with a customisable weight ceiling that rewards attackers who want to progressively increase aggression as their game develops. The TriCarbon 18K face and CarbonTube frame deliver explosive power with no softness to hide behind on mishits. Not a racket for defensive players, right-side specialists, or anyone with elbow history — but for the player it is built for, very little at this price point matches its overhead punch.
Strengths
Left-side attackers with consistent overhead technique who need a frame that keeps up with aggressive finishing — bandeja, smash, and winning volleys at pace
Advanced club players or competitive amateurs who want to tune their racket's weight distribution without buying a new frame — the CustomWeight system makes this a long-term investment
Keep in mind
Players with elbow or shoulder sensitivity — the 18K carbon face, high balance, and stiff EVA outer layers combine into a high-vibration package that will punish off-centre hits and increase injury risk
How it's built to play
The Hack 04 Newgiza is the fourth iteration of Bullpadel's flagship attacking diamond line, and it arrives with a tighter construction story than its predecessor. Where earlier Hack versions leaned heavily on raw stiffness, this iteration introduces the Tricore internal frame and a redesigned Total Channel to manage what happens after the ball leaves the face — vibration control has been a clear focus without softening the power output. At 365–375g with a balance point around 264mm from the butt, this sits in genuinely heavy-and-high territory. That combination is what makes it work for left-side play and what makes it a liability anywhere else.
The face is 18K TriCarbon — Bullpadel's tridirectional carbon weave made from 18,000 ultra-fine filaments interwoven in three axes. The result is a face that snaps back faster after impact than standard biaxial carbon, which translates to sharper ball exit speed without needing to increase frame weight. It is a stiff material, and it communicates that stiffness directly to the arm on mishits. The CarbonTube perimeter frame wraps the racket in 100% bidirectional carbon — no mixed-material construction in the walls — which means there is no give in the frame itself during contact. Combined with the Total Channel running around the full perimeter (Bullpadel cite a 17% aerodynamics improvement and 7% stability gain over a non-channelled frame), the structure is aerodynamic on the swing and rigid at contact — a combination that suits fast, overhead-heavy play.
Inside, the MultiEVA sandwich does the heavy lifting for feel management. The two outer EVA layers are high-density — they maximise energy return on fast, explosive shots. The inner layer is softer and acts as a shock buffer on slower exchanges, preventing the racket from feeling dead on drop shots or delicate angles. The Tricore heart adds thickness to its structural vectors to reduce post-impact resonance — you feel the hit cleanly, then the vibration stops quickly rather than lingering up the arm. The VibradRive handle system (a high-elasticity rubber insert that splits the grip assembly in two) handles the last line of vibration damping before it reaches the hand. The Hesacore honeycomb grip completes the package — the concave finger surfaces reduce the grip force you need to apply, which over a long match is a genuine fatigue reducer, not a marketing detail.
From the left side, this racket does what the spec sheet promises. The high balance and stiff 18K carbon face generate overhead power that carries through — bandeja shots land deep and fast, and smashes hit from height have a finality to them that softer-faced rackets simply cannot replicate. The 3D Grain surface texture adds meaningful spin potential; topspin lobs and slice volleys pick up more rotation than you'd expect from a pure-power frame. The 522 cm² playing surface is on the wider side for a diamond, which extends the effective hitting zone slightly without compromising the head-heavy feel.
The honest limitation is what happens when you're not in position. The 18K carbon face and CarbonTube frame give you no assistance on off-centre contacts — missed slightly toward the throat or the edge and you feel it immediately, both in the quality of the shot and in the arm. The MultiEVA inner layer softens this somewhat, but the Tricore and CarbonTube construction mean this is still a high-stiffness racket. Right-side defensive players who reset under pressure, or anyone who covers a lot of court by reacting late, will find the margin for error too tight. The CustomWeight system is useful but demands discipline — adding the full 9 grams to the head creates a noticeably more aggressive swing arc that amplifies technique flaws as much as it amplifies power.
FAQ
How does the Hack 04 Newgiza compare to the Hack 04 PP26?
Both are the same Hack 04 diamond frame with identical core construction — the difference is cosmetic and in limited availability. The Newgiza carries the Egyptian pyramid design and is the standard production version; the PP26 is a special edition colourway. If you're choosing between the two purely on performance, the rackets play identically. The Newgiza is typically the more widely stocked option.
Should I choose the Hack 04 Newgiza or the Bullpadel Vertex 04?
Both are diamond-shape, high-balance attacking frames, but they sit in slightly different camps. The Vertex line uses X-Tend Carbon 12K and Air Power — it's built around swing speed and overhead power for players who generate pace through racket head acceleration. The Hack 04 uses 18K TriCarbon and Total Channel aerodynamics, with the CustomWeight system giving you more control over balance tuning. If you prefer a customisable setup and respond well to the stiffer, more direct feedback of 18K carbon, the Hack 04 is the better fit. If you want maximum swing-speed benefit with a slightly more reactive snap-back, the Vertex is closer to that profile.
What does the CustomWeight system actually do, and should I use it?
CustomWeight lets you insert weighted plates (3g, 6g, or 9g) into the head of the racket to shift the balance point higher and increase the momentum behind overhead shots. In practice: the stock Hack 04 at ~264mm balance is already head-heavy; adding 9g pushes it meaningfully further. Start with no added weight and play the frame for a few sessions before experimenting. Only add weight if your smash and bandeja feel underpowered — not because more grams sounds better. Adding weight to a racket your arm isn't ready for increases injury risk significantly.
Is the Hack 04 Newgiza suitable for players with elbow problems?
No — and it's worth being direct about this. The Hack 04 combines four of the highest elbow-risk factors in one frame: diamond shape, high balance, hard outer-layer EVA, and 18K carbon face. The VibradRive handle and Tricore do reduce post-impact resonance meaningfully, but they don't change the fundamental stiffness of the hitting zone. If you're managing lateral epicondylitis or returning from a shoulder injury, this is the wrong racket. A low-balance round or teardrop with a soft foam core and fiberglass face will serve your arm far better while you recover.
What level of player genuinely needs the Hack 04 Newgiza rather than a mid-range alternative?
You need consistent overhead technique — if your smash and bandeja land reliably from the left side in match conditions, not just in practice, the Hack 04's stiff face and high balance will amplify that quality. If you're still developing those shots, the small sweet spot and unforgiving carbon face will amplify the inconsistency instead. A mid-range teardrop with hybrid materials will give you better feedback while your technique consolidates, and it won't punish off-centre contacts as sharply. The Hack 04 is built for players who already know where their shots are going — not for those still finding out.
Ready to add this to your game?
A high-balance diamond built to end points from the left — heavier-hitting than most Hack versions, with a customisable weight system that lets attackers dial in exactly how aggressive they want to go.
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