We don't need a heart-rate monitor to tell us that every time Garmin launches a new GPS sports watch, our pulse starts to quicken. We can't wait to get our mitts on the Forerunner 910XT, which has just launched ahead of the Ironman World
monitor will track heart-rate zones and give calorie information, and a GPS unit will tell you where you've been. You could even make use of free online mapping tools like Google Earth or www.mapometer.com.WattbikeThe Wattbike has been developed over
feel your feet and hands, and there's also an altimeter. The Trek Alpine is fairly easy to fit using the cable ties provided and it is a very user-friendly computer that can also be upgraded to display heart-rate. The choice you would have to make