I go by Euro Spec, 34 front 32 rear.My Michelin Super Sports have max psi of 50lbs. I do not race and I live in a warm climate. What should my front and rear tires be inflated to?
Bingo my friend, it’s all for better fuel economy. Same reason why we use OW20 instead of 5W30 like the Euros. Both of these decisions were made to improve fuel economyWhy does US spec say 38 front and back? Is there a Euro reg to use lower end psi, perhaps for environmental reasons? Tire rubber is a big pollutant.