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Oval shape for optimised movement.
The death point is more easily overcomed.
A larger transmission ratio is easier to drive.
Chronic knee pressure is reduced.
The muscles work easier, as well as the cardiovascular system.
When using classically shaped chain blades, a driver must constantly change the force to be used during a crank turn to accelerate constantly. The unround shape of the O. Symetric chain rings is designed to counteract this. The required effort in different crank positions is adjusted by the special design and a round step is possible. The result is a more harmonious movement that relieves the driver and provides capacity for more performance.