A tensioning device for a load carrier, such as a bike carrier or a roof box, comprising an activation member and a flexible elongated element (31, 32), characterized in that, said tensioning device further comprising a torque limiting mechanism adapted to limit the amount of transferable torque, said torque limiting mechanism comprising a first and a second torque transmission member (21, 22), said first torque transmission member is biased into working cooperation with said second torque transmission member wherein upon a torque threshold value, said first and second torque transmission members (21, 22) are disengaged from said working cooperation so that a torque limiting function is provided, the activation member being associated with said first torque transmission member enabling a user to operate said first torque transmission member to transfer torque to said second torque transmission member, said second torque transmission member has a rotation axis and is connected to the flexible elongated element (31, 32), wherein upon rotation of said second torque transmission member, said flexible elongated element (31, 32) is displaced in a direction offset to said rotation axis, wherein said flexible elongated element (31, 32) can be tensioned upon rotation of said second torque transmission member, wherein said first and second torque transmission members (21, 22) are held together using first and second screws (25, 27) and biased together using a resilient member, and wherein said first screw is having a head and a threaded aperture at the opposing end to the head in which said second screw is connected to, and wherein the resilient member is braced against the second screw and its head, preferably by a washer which supports the resilient member and braces it against the second screw and its head, and wherein the first and second torque transmission members (21, 22) are operating as gearwheels with intermeshing teeth, wherein the first torque transmission member comprises gear teeth extending in a direction parallel with the rotational axis, and wherein the second torque transmission member also comprises gear teeth extending along in a direction parallel with the rotational axis and having angled surfaces on each of the gear teeth. said torque limiting mechanism comprising a first and a second torque transmission member (21, 22), said first torque transmission member is biased into working cooperation with said second torque transmission member wherein upon a torque threshold value, said first and second torque transmission members (21, 22) are disengaged from said working cooperation so that a torque limiting function is provided, the activation member being associated with said first torque transmission member enabling a user to operate said first torque transmission member to transfer torque to said second torque transmission member, said second torque transmission member has a rotation axis and is connected to the flexible elongated element (31, 32), wherein upon rotation of said second torque transmission member, said flexible elongated element (31, 32) is displaced in a direction offset to said rotation axis, wherein said flexible elongated element (31, 32) can be tensioned upon rotation of said second torque transmission member, wherein said first and second torque transmission members (21, 22) are held together using first and second screws (25, 27) and biased together using a resilient member, and wherein said first screw is having a head and a threaded aperture at the opposing end to the head in which said second screw is connected to, and wherein the resilient member is braced against the second screw and its head, preferably by a washer which supports the resilient member and braces it against the second screw and its head, and wherein the first and second torque transmission members (21, 22) are operating as gearwheels with intermeshing teeth, wherein the first torque transmission member comprises gear teeth extending in a direction parallel with the rotational axis, and wherein the second torque transmission member also comprises gear teeth extending along in a direction parallel with the rotational axis and having angled surfaces on each of the gear teeth.