Disc set 5mm (Not usable in Kynett ONE!)

The Kynett 5 mm disc set is suitable for greater strain on the muscles.

The 5, 6 and 8 mm discs can only be used in the Ultimate and not in the Kynett One!

The resistance used to train is not expressed in kilograms but in a moment of inertia kgm2. Every object that rotates on a certain axis has a so-called moment of inertia. The moment of inertia can be calculated based on the mass and dimensions of the rotating disk.

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