Crank with brake activator, mainly for standardized braking of handlebar vehicles with cranks for both direct running and battery charging, characterized by being designed for rotation on the wrist, elbow or shoulder and for comprising: a handlebar (1) with an axis (1.1) fixed on the outside, with an arm (1.2) -optionally extensible by means of a tube (1.2.1) and a cylinder (1.2.2) - and, preferably, with a handle (1.3)； a handle (2), for braking operation by means of its clamping together with said arm (1.2), with an elbow (2.1), for transmission of that pressure, floating in normal state, with a pivot (2.2), for tilting, fixed on a ring (2.2.1) for rolling around the mentioned axis (1.1), and with a spur (2.3) of support for lever and immobilization of the turn； a nexus (3) between the free end of the arm (1.2) and that of the handle (2) for joint rotation, articulated to enable clamping and with a spring (3.1) for repositioning； a handwheel (4) fixed on the shaft (1.1) with two or more rings (4.1) raised and an arrow (4.2) inserted in them and fixed at the end, to actuate the traction brake of the latter when it is reached by the elbow (2.1)； optionally, a cover (5) on the steering wheel (4). (Machine-translation by Google Translate, not legally binding)1. Manivela con activador de freno, principalmente para frenado normalizado de vehículos de manillar con manivelas tanto para la marcha directa como para carga de batería, caracterizada por estar dimensionada para giro sobre muñeca, codo u hombro y por comprender: un manubrio (1) con un eje (1.1) fijo por el exterior, con un brazo (1.2) -opcionalmente extensible mediante un tubo (1.2.1) y un cilindro (1.2.2)- y, preferentemente, con una empuñadura (1.3)； una manilla (2), para accionamiento del frenado mediante su pinzamiento junto al mencionado brazo (1.2), con un codo (2.1), para trasmisión de esa presión, flotante en estado normal, con un pivote (2.2), para la basculación, fijado sobre un anillo (2.2.1) para rod
