Powrlink® Zero Single SidedCyclists know that to become competitive they need to train with purpose. That means power. By connecting to reliable and accurate data, POWRLINK ZERO gives riders the power and cadence metrics they need to track and analyze every ride. These metrics create a more complete power profile cyclists can use to unlock every last watt. Advanced Power Pedal System Breakthrough Power! A POWERFUL COMBINATION POWRLINK ZERO is built on the cutting edge Speedplay