Polar CS 100b Wireless Bike Computer

Up to 30% Savings during the REI Fall Sale! Plus members save 20% on one full price item. Polar CS100b is for the cyclist looking for traditional bike computer features in a wireless model. Features speed and distance functions for the bike with the option to add on heart rate at a later date. Estimated Time of Arrival enables you to foresee the time of arrival based on your cycling speed. Features an interval training program that includes heart rate target zones and recovery calculation. One exercise summary file keeps track of your cumulative exercise time since the last resetting of the counter. Additional Polar exercise features include automatic lap recording (up to 50 laps) and exercise date. Watch features include date and weekday indicator, low-battery indicator and user-replaceable battery. Large display is easy to read and domed buttons are easy to use. Case mounts on your bike stem or handlebars. Water resistant to 10m (33 feet).