Incredibly, perhaps in both senses of the word, the brand claims it is both 37 watts faster than its predecessor and 34 watts faster than its nearest (unnamed) competitor.
"Urano is a shoe with a racing soul that embodies the values of Nimbl, while also forging a new path to uncharted fields. Superior performance and quality, Italian craftsmanship, and excellence all merged into one product that has fueled cyclists' dreams for years and has now become a reality."