German Wheel

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Wheel gymnastics (German: Rhönradturnen) is a form of gymnastics which originated in Germany.
The wheel gymnast performs in a large wheel known as the Rhönradgymnastics wheelgym wheel, or German wheel.
There are three core categories of exercise: straight line, spiral, and vault. In this apparatus the gymnast rolls along with the wheel, flips inside, spins the wheel, stalls and manipulates the wheel in a spectacular presentation.