Phat Cycles RS300X Heart Rate Monitor

Get race day ready with the RS300X. It's packed with essential running features to help you monitor your progress and maximize your training.

-Helps you train at the right intensity with personal sport zones
-Compatible with Polar speed and distance sensors (sold separately)
-Polar Fitness test measures your aerobic fitness at rest and tells you your progress
-Average and maximum heart rate of each lap
-Automatic lap recording
-Time and distance based interval timers
-Water resistant – 50m (suitable for swimming)
-Syncs to online training diary with FlowLink (sold separately)