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The 2012 Athena cranks have the brand new Power Torque System™, which makes it possible to obtain very high values of torsional stiffness and efficient power transmission, without increasing the lateral bulk.
XPSS™ (eXtreme Performance Shifting System)full-carbon unidirectional-multidirectional crank which have 8 zones for up shifts and 2 for down shifts giving faster more precise shifts even under stress