Head Extreme ONE X vs Adidas Metalbone Carbon 2026

The HEAD Extreme One X 2026 is the most powerful racket HEAD currently makes. Diamond shape, 12K carbon face, Eva Soft core, high balance, 375-385g. This is the heaviest, most arm-demanding specification in the entire HEAD range, built for advanced players who need maximum overhead smash velocity.

Best for

Advanced players who want the most powerful racket HEAD makes - 12K carbon, heaviest swing weight, diamond for elite smash finishers

Skip if

Anyone below advanced level, players with arm sensitivity, or players without genuine physical conditioning for heavy swing weight

Adidas

Metalbone Carbon 2026

The Metalbone Carbon 2026 strips the flagship back to pure carbon construction without the Metalbone-specific HRD layering. The result is a diamond frame with excellent power at EUR 270 - EUR 120 less than the full Metalbone.

Best for

Advanced players wanting Metalbone power at EUR 120 less than the flagship

Skip if

Arm-sensitive players or those wanting comfort

Strengths and weaknesses

Head — strengths

+Most powerful racket in the HEAD 2026 lineup

+12K carbon face - maximum exit speed

+375-385g heavy weight for maximum smash authority

+Diamond shape for overhead power

+Auxetic frame technology amplifies power further

Weaknesses