Quarq Dzero Power Meter Spider Assembly for Specialized

Introducing Quarq’s powerful and efficient DZero Power Meter assembly for Specialized. Featuring AxCad and Powerbalance technology; eliminating the use of magnets for a more convenient fit; enabling excellent accuracy and efficiency in synchronised measurements of cadence and left-right wattage. With over 10;000 data points this power meter offers excellent reliability and accuracy.