Asymmetric Patterns : An asymmetric tyre tread pattern generally consists of dissimilar tread pattern elements placed radially opposite each other in order to optimise pattern characteristics
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}