Metalbone HRD+ 3.4
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Our Verdict
The Metalbone HRD+ 3.4 is one of the most technically loaded power rackets in Adidas's 2025 lineup, and it earns that reputation honestly. The interplay between the Power Groove core channel, EPG sweet spot placement, and Octagonal Structure frame creates a racket that rewards aggressive, well-timed hitting with genuinely explosive ball exit. The 16K aluminised carbon surface adds both rigidity and surface texture — a combination that supports both flat pace and heavy effect. For advanced and professional players who want to impose themselves from the net and finish points decisively, the Metalbone HRD+ 3.4 is an exceptionally well-engineered tool that covers both power and spin without obvious compromise.
Metalbone HRD+ 3.4
The Metalbone HRD+ 3.4 is a high-balance, stiff-frame power racket built for advanced and professional players who want to dominate at the net with aggressive smashes and decisive finishing shots. Its adjustable weight system and 16K aluminised carbon construction make it one of the more technically sophisticated tools in the Adidas range.
- Players who finish points at the net will notice immediate extra leverage on smashes, thanks to the EPG system shifting the sweet spot towards the head and increasing rotational inertia — the ball simply leaves faster with less effort at the point of contact.
- Generating heavy spin and effect is noticeably easier here than on most stiff-frame power rackets, with the Spin Blade Decal creating genuine surface grip on the ball rather than the smooth-faced sliding contact you get from many carbon-only finishes.
- The Weight & Balance System gives this racket an unusual degree of personalisation for a production model, allowing players to tune the swing weight to match their physical strength or adapt between match intensities without changing rackets.
- Players below advanced level, or anyone managing arm sensitivity, will find the combination of stiff 16K aluminised carbon, high balance, and EVA High Memory foam punishing over a full session — this racket demands clean, confident ball-striking and offers little forgiveness in return.
About This Racket
Carbon face — stiff construction with direct power transfer. Crisp feel on contact that rewards clean striking technique with responsive ball speed. A reliable, high-performance surface for advanced players.
High-density EVA core — the hardest and densest core compound available. Returns energy aggressively on hard contact, with the ball leaving the face quickly and efficiently. Maximum power output for players with strong technique, though it transmits more vibration than softer cores.
Diamond shape with high balance. The head-heavy weight distribution increases leverage through the swing arc, translating directly into pace on smashes and aggressive volleys. The sweet spot sits high on the face — effective when attacking, but demands cleaner contact than a round or teardrop would.
Experienced players with developed technique who favour aggressive, attacking play. Suited to competitive club players who dominate from the net and want maximum pace on smashes and volleys. Demands clean contact — rewards it with explosive performance.