The present invention relates to parking brake lever system 1 for manually tightening and releasing of at least one brake cable 90, wherein the parking brake lever system 1 comprises at least one rotation arm 10, 12 pivotably supported at a fixed support 50, wherein the rotation arm 10, 12 is connected to the brake cable 90, and at least one actuation lever 20, 22, which at a first end thereof is pivotably connected to the rotation arm 10, 12 and which at a second end thereof is rigidly connected to a hand grip 40, wherein the actuation lever 20, 22 is slidingly supported at the fixed support 50, such that the hand grip 40 defines a curved path during actuation of the parking brake lever system 1.