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Quarq Riken Powermeter Crankset GXP - 53/39t
You'll never know the power of power-meter training until you've experienced 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 Carbon 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.