It couldn't be easier to change the battery in your Polar product. This set includes a CR2032 battery and sealing ring for easy and quick replacement.
Buy Polar Nutrition & Training from Chain Reaction Cycles, the World's Largest Online Bike Store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.More information on returns