Not quite an oval, and certainly not an ellipse, the Osymetric Chainring Compact is its own shape -- and we're happy for that. Oysmetric delivers greater efficiency, increased power, and requires less user effort than standard round rings. Now, before we get into explaining the Osymetric, we want you to abandon any preconceptions or memory comparisons of failed experiments like Biopace. This isn't to say that those engineers were wrong to pursue these designs, they simply never perfected the technology. We think that this is due to a fear of breaking free from the parameters and presets of what cycling componentry is supposed to look like. However, Osyemtric has realized that the best look for a bike is crossing over the finish line in first place. That's why Osymetric isn't afraid to appear obtuse in its aesthetic. The concept behind Osymetric is relatively easy to grasp. On a standard chainring, power isn't applied equally throughout a revolution of the crankarm. For simplicity's sake, let's divide a revolution into four quadrants. We'll call twelve and six o'clock Top Dead Center (TDC) and Bottom Dead Center (BDC), respectively. The horizontal position of three o'clock can be called just that. It is within the angle between the horizontal position and BDC, that power is most predominately exerted. However, the acute radii between the horizontal position and TDC and BDC are relative dead spots for power. Osymetric's shape directly reflects this data. It works on the objective of minimizing the time spent in dead spots, while maximizing the time spent within the radii of efficient power exertion -- horizontal. Basically, this means that, as the operator, you can apply more force while spending less energy. In fact, Osymetric's design minimizes torque and effort by creating a nearly constant angular velocity. This means that while your gear inches are maximized and extended in the power position, the ring changes shape at the dead spot to speed you back to the ...
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