Rim Fitting Line : A narrow rib, part of the sidewall rubber running circumferentially around a tyre just above the bead, used as a guide line to check that a tyre when fitted to its wheel is correctly seated on the rim
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}