The Sigma BC 23.16 is a cycling computer that provides riders with a range of useful data, including speed, distance, and time. It is designed to be mounted on the handlebars of a bike and is ideal for cyclists who want to track their progress and improve their performance. Our website sells a range of screen protectors for the Sigma BC 23.16, which help to keep the device safe from scratches and other damage. These protectors are easy to install and are made from high-quality materials, ensuring that they provide long-lasting protection for your cycling computer.