FIELD: machine engineering.
SUBSTANCE: drive for a bicycle with an internal arrangement of two shafts interconnection system comprises an input shaft with a driven sprocket and an output shaft. The system of two shafts interconnection is placed inside the sleeve of the rear wheel. Torque from the sprocket is applied to the input shaft of two shafts interconnection system. In the two shafts system, the output shaft connects the wheel and the free-wheeling device. The axles are fixed along the circumference of the wheel with the possibility of rotation. Gears are fixed on axles, and have a gearing with a gear on the input shaft through intermediate gear. The gear changes the direction of axles rotation. Brake gears having gearing with gears are located coaxially with the axis of the input shaft. The action of the input shaft on the output shaft is carried out by braking the brake gear by means of brake clutches or brake shoes.
EFFECT: change of gear ratio without change of position of sprockets and gears included in device composition.
10 dwg
