There are a range of factors that can affect your cycling speed. Obviously fitness is one of them, however, weather conditions and the varying gradients of the road play a huge part too. The most advanced way of measuring how these factors affect your performance speed is with the aerodynamic Wireless Polar CS speed sensor.

With 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.

The Polar CS100B bike computer is for those that already own a Polar chest strap and want a great cycling computer that gives you speed, distance and heart rate. No chest strap is included.

The Polar CS100 cycling computer is a superb entry level bike computer giving speed, distance and heart rate. It is the perfect package for those who want the basics.

Oregon Scientific delivers with the best priced heart rate monitor that also measures speed and distance. When you throw in the free data transfer recorder valued at $50 this is one screaming deal.

Bike computers like the Polar CS200 allow you to track average speeds and add calorie expenditure management to the basics of speed, distance and heart rate. It's a great package for those requiring additional information and exercise analysis.

10% OFF- RIGHT NOW - Use Promo code "CS200" on the checkout page. Limited Offer one per customer. One of the best values in our cycling computer line - speed, cadence, heart rate and all the basic data at a value price.

We have been waiting for a heart rate monitor like the Oregon Scientific SE833 for a long time. Heart rate monitors that are reasonably priced, record speed and distance and seem well suited to triathletes, cyclists and runners who need serious data.

The Polar CS300 cycling watch is a great tool for those who love cycling but want versatility in having a tool they can also use at the gym or on a run. It's a cycling computer that allows you to cross train.