here’s what you need to know about Panaracer’s tire nomenclature. All of their gravel tires are the Gravelking, and there are five tread options: The Slick, SS, SK, and X1 are all designed to ...

Here are the details from the release: The Panaracer ... the GRAVELKING Slick, GRAVELKING SS, GRAVELKING SK and the newest tread, the GRAVELKING X1 model, which is renowned for its aggressive tread ...