Birel ART triumphs in WSK Open Series with Bertuca Birel ART triumphs in WSK Open Series with Bertuca Bas Kaligis / Wednesday, May 15, 2024 0 738 Article rating: No rating The KZ2 class ended up with almost 90 drivers in the overall standings of the WSK Open Series. Cristian Bertuca, who finished 2nd in the first round at Franciacorta, gave Birel ART Racing victory and the title in the second round at La Conca. Bertuca, who has already won the WSK Super Master Series, confirms his competitiveness and that of Birel ART / TM Kart, while we still have to wait a month and a half for the start of the European KZ / KZ2 Championship. Read more