A tire () includes a stiffening structure () comprising stiffening elements () anchored in the crown () and extending into the toroidal cavity () between a radially inner anchor point (A, B) and a radially outer anchor point (A, B). The tread () has a profile height and comprises a plurality of ribs (), two adjacent ribs being axially separated from each other by a main circumferential cut-out () having a depth greater than or equal to 50% of the profile height. The radially outer anchor point (A, B) is aligned with one of the ribs ().
