Polar M400 GPS Activity Tracker Watch | White Color:White of style and comfort

of style and comfort

credit cards or extra cash

The Garmin Bike Cadence Sensor allows you to monitor your pedaling cadence as you ride with this easy-to-install wireless sensor

With its built in shelving system

Polar M400 GPS Activity Tracker Watch | White Color:White of style and comfortFeaturing GPS technology, the Polar M400 Activity Tracker will take your training to the next level. Tracking your pace, distance, altitude, and calories burned it will let you know you're fitness achievement for each workout, and gently vibrate to let you know when you need to move throughout the day. Use the Polar Flow App to set goals, track your progress, and compare with your friends. [Details] Track pace, distance and altitude with the built in