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.
• Measures your current, average and maximum speeds
• Track your average speed to see your progress and performance improve
• Light yet tough, and easy to attach
- Delivers toUnited States of America
365 Days return or exchange
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or fitted.
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