More tests for Hamilton’s tire after mystery blowout

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Formula One’s official tire supplier Pirelli remains uncertain as to the cause of Lewis Hamilton’s puncture during final practice for the Bahrain Grand Prix.

The blowout had a damaging effect on Hamilton’s car and his race weekend. The failure wrecked his suspension and gearbox – the latter had to be replaced which forced Hamilton to take a five-place grid penalty.

Pirelli motorsport director Paul Hembery told Autosport: “We will take all the pieces apart and do a full lab analysis. That will either confirm our initial findings, or make us realize that we need to do something and have to implement some changes.”

“There will be a full analysis. We treat every incident very seriously.”

Giedo van der Garde, who was running behind Hamilton at the time, also suffered a puncture which was caused by a piece of metal. Pirelli originally believed this also caused Hamilton’s tire to fail, but not admit they are “not really sure about how it happened”.

Having initially examined the tire at the circuit, Pirelli has taken it to their headquarters in Milan for further examination.

Pirelli remain convinced that both of Felipe Massa’s punctures during the race were caused by debris.

F1 Paddock Pass: United States Grand Prix post-race (VIDEO)

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As Lewis Hamilton took another step towards his fourth Formula 1 World Championship Sunday at the United States Grand Prix at Circuit of The Americas, plenty of other topics of discussion emerged in the wake of Round 17 of the season from Austin.

Hamilton’s win came as his Mercedes AMG Petronas team claimed its fourth consecutive Constructor’s Championship, Scuderia Ferrari came up short once again despite a valiant effort in second and third, and Max Verstappen’s penalty after the race was the major talking point.

Elsewhere Valtteri Bottas struggled again, the Sahara Force India twins continued to pick up points, Carlos Sainz Jr. made a major positive impact in his first start with Renault, Brendon Hartley impressed on debut at Toro Rosso and Romain Grosjean and Haas F1 Team endured a tough weekend on Haas’ home soil.

Check out all the recap from the latest USGP in the latest post-race edition of the NBC Sports Group original digital series Paddock Pass with NBCSN pit reporter and insider Will Buxton, below.