<page_title> List of Grand Prix motorcycle racing World Champions by year </page_title> <section_title> List </section_title> <table> <cell> Italy Tarquinio Provini (Mondial) <col_header> 125cc </col_header> <row_header> 1957 </row_header> </cell> <cell> Italy Tarquinio Provini (MV Agusta) <col_header> 250cc </col_header> <row_header> 1958 </row_header> </cell> </table>
Tarquinio Provini was a two-time world champion in Grand Prix motorcycle racing.