A tyre (200) comprising a tread (210) comprising tread blocks (220) such that grooves (230) are arranged between the tread blocks (220) and studs (100, 100a, 100b) installed into at least some of the tread blocks (220). A central region (CR) of the tread (210) is arranged between a first shoulder region (SR1) of the tread (210) and a second shoulder region (SR2) of the tread (210). A land ratio of the central region of the tread (210) of the tyre (200) is 1 to 30 percentage points greater than either or both of a land ratio of the first shoulder region of the tread (210) of the tyre (200) and a land ratio of the second shoulder region of the tread (210) of the tyre (200).
