Looking to gauge your cycling power and training intensity on any given day? Look no further than the Garmin Vector 2S to track your performance with ease and precision. This single side sensing power meter is both innovative and effective: changing both how cyclists get power and how it is measured. The Vector 2S measures the force applied to the left pedal and gauges the deflection of the pedal spindle to calculate your total power. Ride with power. Ride with knowledge. Ride with Garmin Vector 2S.