The present invention relates to a carabiner, particularly a wire carabiner, for mountaineering and climbing.
More particularly, the present invention relates to a carabiner (1) comprising a ring (2) having a side (3), which is interrupted by an opening defined by a first and a second end (10, 12), wherein said opening is closed by a spring closing member (4) that may take an open position and a closed position, wherein the first end (10) of the ring (2) comprises a bulb-shaped coupling portion (13), with the part projecting in the transversal direction with respect to the plane of the carabiner (1), and wherein the closing member (4) is of the so-called "wire lever" type and comprises a lever member (8) consisting in a metal wire, characterized in that said lever member (8) is associated to a coupling member (15) with the coupling portion (13) of the ring (2), said coupling member (15) comprising a seat (11), having such shape and dimensions as to couple with said coupling portion (13), and a constraint portion (18) to the lever member (8).