The Rally XC100 has been tested to the limit so that you too can go to the limit when riding. This power meter with single-sided measurement provides reliable power values and is easy to use on other bikes, no matter what bike you ride or where you are. The unit installs like any other pedal, so it's easy to mount on different bikes. Really. Analyze your performance data as you record power and cadence. Just click them in and you're done. These pedals are compatible with Shimano SPD cleats. Software updates and data uploads are easy thanks to compatibility with Edge cycling computers and the Garmin Connect app1. Sync data from your favorite apps1 for more analytics, data sharing and route planning features. Want more? With the optional Upgrade Pedal, dual-sided measurement is possible at any time. Rally power meters have undergone rigorous testing to ensure their reliability. The stylish pedal has an excellent design with integrated sensors, so it can be installed like any other pedal. It also allows it to be quickly used on other bikes. By accurately measuring your cadence and the force detected on the left pedal, the Rally XC100 pays for itself twice and provides data on overall performance. Want more readings? Just switch to the system with dual sensor later. So that your tour runs pleasantly, attention was paid in the development of the pedals that you can use them with your favorite Shimano SPD cleats. Whether road or off-road, cyclocross or something else - you should be able to cycle all year round. An interchangeable pedal axle can be installed in Rally RK road bike or Rally RS road bike pedal body interchange kits (each sold separately). With a battery life of up to 120 hours, make sure you're prepared for long tours and training sessions.