Polar CS speed sensor W.I.N.D. and Dual Lock Bike Mount set for CS500

The CS speed sensor W.I.N.D. and Dual Lock Bike Mount set includes an aerodynamic and light cycling speed sensor for wireless speed and distance measurement and a bike mount to attach to your bike’s stem or handlebar to easily view your training data while riding.

-Measures your current, average and maximum speeds
-Interference-free data lets you evaluate and analyze your individual performance more accurately
-Easy to install on stem or handlebar
-Firm attachment for the cycling computer