The polar m460 gps bike computer with heart rate sensor is a perfect workout companion suitable both for cycling and mountain biking it features sensitive and highly accurate gps and tracks your speed distance route altitude and gradient with gps and barometer this easy to use device has a front led light for added safety and offers up to 70 hours of recording time 35h with hr and gps the bike computer keeps you connected when on the move thanks to smart notifications from your phone and