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An XCO Trainer makes every training heavier. The XCO tube is filled with grit which will slide during a movement. This way you train not only strength but also endurance. The tubes are available in different sizes. The XCO Trainer S helps mainly with condition building, muscle building and improvement of endurance. The XCO Trainer M and L focus more on muscle building and coordination. The XCO Trainer XL is the heaviest and improves muscle strength. An XCO can be found for each training session.

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