The GPS Bike M640 is the bike computer the Polar designed to offer the ultimate in measurement performance cycling.

With GPS and barometer, provides all the data of speed, distance, location and inclination, in addition to displaying on the display the notifications received on the smartphone.

Equipped with special features dedicated to Training Peaks and Strava Live Segments the GPS Polar M640 is able to share the data collected with the mobile app and web service free Polar Flow.The App (compatible with iOS 8.0 or later and Android 5.0 or later).

Choose the Polar M640 you have all the details of your sessions of biking.

Weight: 50 g
Thickness: 18 mm

Product features:
- Integrated GPS of the latest generation and barometric altimeter
The slope as measured by GPS and barometer integrated, without the need of an external sensor additional
- Displays the output data of chassis, including those used by Training Peaks: power-normalized (NP), intensity factor (IF) and training stress score (TSS)
- Indicates approach and arrival on a segment, Strava, and displays performance in real-time on the segment (personal record-KOM/QOM)
- Fitness Test, and Test Orthostatic
- Visual notification of calls and messages received on your smartphone (for iOS 8.0 and Android 5.0 or later)
- 10 display training fully customizable, up to 4 data per screen depending on the sensors and features used
- Safety light front led lights with automatic activation
- Material: ABS, PC, polyamide
- Battery: rechargeable, up to 16 hours with GPS and hr use
- Charging time: average 2 hours
- Memory: up to 70 hours of training with GPS and hr use
- Water resistance: IPX7 (not suitable for immersion)
- Package contents: Polar M460 - heart rate monitor H10 - USB Cable - handlebar mount - quick start Guide