BARCELONA, June 12 : Charles Leclerc will follow Ferrari teammate Lewis Hamilton's lead and switch brake disc supplier for this weekend's Barcelona-Catalunya Grand Prix after the Briton's recent run of success and his own crash in Monaco last Sunday. Seven-time world champion Hamilton has finished runner-up in the last two races and is now second in the Formula One championship, 66 points behind Mercedes' runaway leader Kimi Antonelli. Leclerc is fourth overall, 15 points behind Hamilton.