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Tretorn Micro X

The Micro X is the world’s most advanced 'hybrid' ball. It isn't pressurized, but it isn't a solid-core pressureless ball either. Using 700 million micro-cells, it provides a consistent bounce that literally never dies—you only replace it when the felt goes bald. In 2026, it remains the top choice for players in high-altitude regions or cold climates where standard pressurized balls lose their bounce in minutes.

TRETORN Tretorn Micro X tennis ball - pressureless (microcell) felt, for ball machines and training and high altitude courts rated 4.8/5 stars

Marque

TRETORN

Type de Feutre

pressureless (microcell)

Note

9.1/104.8/5

Niveau de Vitesse

slow-medium

Durabilité

10/10

Conseil d'Expert

The gold standard for pressureless balls. Perfect for ball machines and high-altitude play. The microcell technology provides exceptional durability.

Retour de la Communauté

Ball machine owners swear by these. They last forever but feel heavier than pressurized balls.

Idéal Pour

Types de Courts

ball machines
training
high altitude

Niveau de Compétence

all

Type de Joueur

  • ball machine owners
  • coaches
  • cold-weather players

Caractéristiques de Performance

Potentiel d'Effet

medium

Cohérence du Rebond

high

Sensation au Contact

firm-heavy

Rétention de Pression

n/a (permanent)

Confort pour le Bras

medium-low

Questions Fréquemment Posées

What are the 700 million micro-cells?

The Micro X uses 700 million micro-cells in its core, creating a consistent bounce that literally never dies. You only replace it when the felt goes bald, not when it loses pressure.

Why is it called a 'hybrid' ball?

It isn't pressurized like standard balls, but it also isn't a solid-core pressureless ball. The micro-cell technology provides permanent bounce without needing a pressurized can.

Is this ball good for high-altitude or cold climates?

Yes, it's the top choice for players in high-altitude regions or cold climates where standard pressurized balls lose their bounce in minutes. The micro-cell core maintains consistency regardless of conditions.

How long does the felt actually last?

The felt is extremely durable (30+ hours of play), and the core will outlast the felt every time, making it perfect for ball machines and high-volume training.

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