F1 cars must comply by new design rules for their front wings from the 2025 Spanish GP. But why are they needed and what do they mean?

Those hoping the FIA’s tougher tests on front-wing flexibility would instantly hobble the dominant McLaren were to be disappointed by the first day’s running in Barcelona

The FIA is not ruling out ‘dynamic tests’ to clamp down even harder on flexible wings in Formula 1. Nikolas Tombazis, the federation’s single-seater chief, has had a busy weekend in Barcelona as tough new flexibility checks debuted for McLaren-style bendy front wings.