Adidas
Metalbone 4.4
2026 · Diamond · €319
9.0Match 28%
Performance profile
RacketIQ categoriesPower96
Control72
Ball Output94
Maneuverability70
Sweet Spot64
Spin86
Defense64
Smash97
Comfort68
Forgiveness60
Technical specs
ShapeDiamond
BalanceHigh
Face materialAluminized Carbon
Core / foamBlack EVA High Memory
SurfaceSpin Blade
Weight range365 – 380 g
Profile38 mm
Player levelProfessional
RacketIQ verdict
The most explosive frame in the 2026 index. Uncompromising rigidity that rewards perfect timing and nothing else.
Player fit
Left SideAggressiveDefensiveCounter AttackerAll Round
BeginnerIntermediateAdvancedProfessional
Best for
- · Maximum smash output
- · Two-shot points
Watch out for
- · Very rigid
- · Hard on the elbow