Get your training tuned perfectly with the ultimate crank-based power meter system with a race-level crank from Quarq. At about 820g, the Quarq Riken combines Quarq's unmatched power meter system, and SRAM's Red crank arms and Powerglide chainrings on this full sized 53/39t crankset. So you get a race-level crank with an ANT+ wireless system boasting an expressed accuracy of +/- 1.5% , and Quarq's new Power Balance feature that measures the power from individual left and right pedal strokes.
Item No. » QQ-RIKEN130B30