This Friday, we are featuring a heart rate monitor for just $24.95. Nashbar has the Sports Instruments Fit 2 HRM on sale for 50% off.

If you have never used a heart rate monitor, you should spend the $25 on it. A heart rate monitor allows you to better monitor how hard you working out, thereby making every workout more effective. And if you are planning on doing a big event, such as a marathon, triathlon or a century, then a heart rate monitor is a must. It will even allow you to get better workout on a treadmill.