RS800CX is an ideal tool for serious cyclists who appreciate versatile training features, providing total freedom on and off the saddle. Data on speed and cadence combined with heart rate provides you with the most profound understanding of your training and helps improve your cycling technique and…

Get the most out of your performance with the RS800CX. With its professional training software you can effectively plan and analyze every detail of your ride. See your route profile and total meters climbed with the altitude, ascent and descent features, as well as uphill or downhill steepness in…

…accurate and consistent readings 100% of the time. It's simple, it works because it contains electrolytes and they conduct an electric current. Swim, bike or run and it always delivers an accurate heart rate display.