Now you can measure your real time and average cadence of your entire cycling session. Our advanced wireless cadence sensor measures your pedaling rate as revolutions per minute so you can compare the effectiveness of your ride against previous rides. Improves your cycling technique and identifies your optimal cadence, Designed to be aerodynamic and light. Fits for CS600/X and RS800CX. Detail info manufacturer

In competition cycling, time is of the essence. It determines whether you can keep up with the leading pack or if you|ll trail behind. So speed has a big part to play in your performance. Thanks to this aerodynamic and light wireless sensor, you|ll receive current, average and maximum speed readings so that you can get it right in training and ultimately, right on the big race day. Interference-free speed and distance data lets you evaluate and analyze your individual performance more accurately, Long range transmission of W.I.N.D technology enables you to attach the speed sensor to various places of your bike. Fits for RS800CX.  Detail info manufacturer  

For top biker. 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 percentages and grades to help you to track your efficiency effort while training. Detail info manufacturer       

For endurance athletes on the professional level. If you take your training seriously, you will have the RS800CX seriously. It offers a complete system for planning, monitoring and analyzing your training. He convinced with advanced features that are easily understandable and easily applied. The textile transmitter WearLink + W.I.N.D. as well as the Polar IrDA USB adapter are in RS800CX. Detail info manufacturer

You want to go for a run and know how speed and distance can aid your performance. Without heart rate, you can only get so far. The RS300X combines these three to give you a true understanding of the effort you put in. And on top, all the essential heart rate features come along RS300X, on the run and online. Detail info manufacturer