Describes the different types of tyres used in Formula 1. In addition to treaded wet and intermediate tyres, current F1 tyre supplier Pirelli produces five compounds of slick tyres for dry running, denoted C1 to C5. In general, harder compounds (C1, C2) are more durable whilst offering less grip/speed, while softer compounds (C4, C5) are less durab... Found on https://f1experiences.com/blog/f1-glossary-a-z-most-commonly-used-terminolo