Polar Power Output Kit for Cycles

The Polar Power Output Kit is designed for use with the Polar 'S' Series Heart Rate Monitors. This system combines the benefits of training with heart rate and wattage. Also measures your right and left pedaling and overall efficiency. Data can be displayed on your PC for the evaluation. Easilly adapts to any bicycle - doesn't require any wheel or hub changes.

Weighs less than 1/2 pound.

Includes speed sensor, chain speed sensor, cadence sensor and bike mount, Three pulley bolt options for the chain speed sensor, Two spoke magnet options for the speed sensor and all mounting hardware and instructions included.