Motorcycle Gearshift (ES2160528B1)

Consists of a set of four sprockets, arranged on the input shaft and in correspondence with four other gears disposed on the output shaft (4). It is characterized because between the four toothed wheels incorporated on the shaft and the four wheels incorporated on the shaft, are achievable through the movable (5), (6) and (7), four combinations of direct transmission and two other progressive , one of multiplication and another of reduction, for the six respective selectable speeds.