A tweak to the tyre regulations comes into force this weekend, introduced remarkably quickly during the course of the season. The reg. change is to allow the use of a ‘bonus’ or ‘emergency’ option tyre of a softer specification. Prior regulations allowed for eight front tyres of two compounds, and ten rears of two compounds. [...]
Source: http://feedproxy.google.com/~r/motogpblog/postfeed/~3/gS1Ie-bOwV4/1241
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