McLaren's recent performance surge stems from a comprehensive upgrade package introduced around the summer break. The Barcelona and Spa races demonstrated the car's improved aerodynamic load, particularly in faster corners. A key but overlooked detail was the debut of new front wheel rims at Zandvoort, engineered by technical director Neil Houldey.

These rims, manufactured by Enkei, were designed to manage tyre temperatures, addressing a weakness seen earlier in the season at Monaco, Australia, and China. While the rear rim remained unchanged, the updated front rim, paired with a more closed wheel cover, retains heat more effectively. This passive thermal control allows McLaren to operate closer to the tyre's optimal temperature window, crucial for front-end grip.

Team principal Andrea Stella noted the updates' importance at high-downforce circuits like Zandvoort and Budapest. The development highlights how rule changes allowing wheel rim evolution provide teams a powerful tool for managing operating pressures. Ultimately, the upgrades transformed McLaren into a benchmark through high-speed sections, exceeding internal expectations and securing consecutive victories.