TIRE SES RACE DAY 700X29 BLKIntroducing the fastest SES tire ever made, and one of the outright fastest on the market. The SES Race Day is what the name implies a tire developed for the days when you pin on the number and every second counts. With up to an 8. 5 watt improvement in rolling resistance, and up to 75 grams of weight savings per tire over the standard SES, the Race Day is a game changer. Featuring a nano technology enhanced rubber compound, novel casing construction,