Tyre comprising: - a tread comprising: - at least one rib , referred to as deeply cut rib, comprising at least one transverse cut having a depth Ht such that Ht/Hs ≥ 50%, where Hs is the tread pattern height, - at least one rib , referred to as non-cut or slightly cut rib, which lacks transverse cuts or comprises transverse cuts , each satisfying, for at least 50%, preferably for at least 75% and more preferably for 100% of the number of transverse cuts of the or each slightly cut rib , at least one of the following conditions: - the transverse cut of the slightly cut rib has a width strictly less than 1.6 mm, - the transverse cut of the slightly cut rib has a depth H such that H/Hs < 50%, - an airtight internal layer , - a layer of a self-sealing product extending circumferentially radially on the inside of part of the airtight internal layer , characterized in that, over at least 50% of the circumferential length of the layer of self-sealing product , the layer of self-sealing product comprises: - an axial portion (90", 92") extending axially in line with the deeply cut rib and having an average thickness Ec > 0 of self-sealing product, - an axial portion extending axially in line with the non-cut or slightly cut rib and having an average thickness Eb ≥ 0 of self-sealing product such that Eb < Ec. - a tread comprising: - at least one rib , referred to as deeply cut rib, comprising at least one transverse cut having a depth Ht such that Ht/Hs ≥ 50%, where Hs is the tread pattern height, - at least one rib , referred to as non-cut or slightly cut rib, which lacks transverse cuts or comprises transverse cuts , each satisfying, for at least 50%, preferably for at least 75% and more preferably for 100% of the number of transverse cuts of the or each slightly cut rib , at least one of the following conditions: - the transverse cut of the slightly cut rib has a width strictly less than 1.6 mm, - the transverse cut of the slightly cut rib has a depth H such that H/Hs < 50%, - at least one rib , referred to as deeply cut rib, comprising at least one transverse cut having a depth Ht such that Ht/Hs ≥ 50%, where Hs is the tread pattern height, - at least one rib , referred to as non-cut or slightly cut rib, which lacks transverse cuts or comprises transverse cuts , each satisfying, for at least 50%, preferably for at least 75% and more preferably for 100% of the number of transverse cuts of the or each slightly cut rib , at least one of the following conditions: - the transverse cut of the slightly cut rib has a width strictly less than 1.6 mm, - the transverse cut of the slightly cut rib has a depth H such that H/Hs < 50%, - the transverse cut of the slightly cut rib has a width strictly less than 1.6 mm, - the transverse cut of the slightly cut rib has a depth H such that H/Hs < 50%, - an airtight internal layer , - a layer of a self-sealing product extending circumferentially radially on the inside of part of the airtight internal layer , - an axial portion (90", 92") extending axially in line with the deeply cut rib and having an average thickness Ec > 0 of self-sealing product, - an axial portion extending axially in line with the non-cut or slightly cut rib and having an average thickness Eb ≥ 0 of self-sealing product such that Eb < Ec. <EOS>