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    Product Specifications

    Ball Quantity

    72 Balls

    Color

    Yellow

    Item #

    020199

    Style #

    A0016

    Only ships within contiguous US.

    Tretorn Micro-X Pressureless Bag of 72 Yellow Tennis Balls

    Tretorn's Micro X ball is approved by the USTA and performs like a tournament ball making it ideal for advanced players. It offers unsurpassed feel, playability and wear-resistance through micro cellular technology.

    Micro X balls have a consistent bounce making them great for ball machines.

    Technology

    Micro Cellular Technology: Neither pressurized nor permanent pressure, Tretorn's micro cellular technology is patented worldwide and recognized by the ITF as the pioneer of a new category of tennis ball. The result is a highly playable tennis ball that does not lose performance over time.

    A conventional pressurized ball flattens on the stringbed as it is hit and resistance is provided by the compressed air within the ball. A small amount of air escapes each time the ball is struck, reducing air pressure and performance. With this new category of ball, 700 million air-filled micro cells take the place of compressed air. These cells cannot escape through the ball's rubber core, resulting in a ball that never loses its bounce.

    The rubber core, made of titanium and polybutadiene, has a softer feel than permanent pressure balls, enhancing spin. Surfaced with Tretorn's exclusive Flex-Felt, which is specially designed from wool and polyester fibers, the Micro X offers unsurpassed feel, playability ad wear-resistance.

    average rating 4.5 out of 5
    Based on 17 reviews
    • 5 Stars
      11 Reviews
    • 4 Stars
      5 Reviews
    • 3 Stars
      0 Reviews
    • 2 Stars
      1 Review
    • 1 Star
      0 Reviews
    94% of reviewers would recommend this product to a friend
    17 Reviews
    Rated 5 out of 5
    Review posted

    Very happy with the product

    I use the balls for training with my daughter and in Spinfire 2 ball machine. I am very happy with the performance of the balls. They feel very similar to regular pressurized balls and not hard like many other pressureless balls.

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    Rated 5 out of 5
    Review posted

    We love these balls

    I've been using these balls for several weeks. They play great; not at all heavy. Small differences -- they perhaps sound a little louder when struck, I think they pick up better on half-volleys than normal balls. Of course the real differences -- they use far less plastic than normal balls that come in a tube and they apparently last forever. I'm looking forward to seeing how long that is. Overall, they are bound to be more economical.

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    Rated 5 out of 5
    Review posted

    Durable

    6 months and they're like I bought them yesterday.

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    Rated 5 out of 5
    Review posted

    Best pressureless ball on the market

    Second time buying these balls. First batch lasted almost 3 years with heavy ball machine practice use. They are slightly heavier than pressure balls, but you barely notice and they last years. Towards the end of the 3 years, I started popping some of them while serving - so just purchased another 2 bags for the next 3 years. I am 5.5+ player and played D1 tennis in college, so I hit harder than most recreational players.

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    Rated 5 out of 5
    Review posted

    Great pressureless balls

    Well made; true bounce; heavy but expected; perfect for ball machine

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