Nor-Cal Hobbies 'Gears' is a dedicated application designed for R/C car and truck enthusiasts, providing a straightforward method to calculate gear ratios and rollouts. Users can input transmission ratios, spur, and pinion sizes to generate comprehensive tables of gear ratios, making it a valuable tool for racers seeking precise gearing information. Additionally, by entering tire diameter, users can obtain a detailed rollout table, enhancing their understanding of performance metrics.

This application is compatible with Android devices running OS 2.0 and newer, ensuring accessibility for a wide range of users. The app also offers customization options, such as adjusting the font size of the tables for improved readability. As a free application, Nor-Cal Hobbies 'Gears' is an excellent resource for anyone involved in R/C racing, allowing for quick and efficient calculations right at the pit table.