Who knows the principle and name of the rear axle of motorcycle?

That is, the power transmission mode is changed from chain transmission to transmission shaft transmission, which is similar to the rear transmission mode of automobile. On the left side of the rear wheel, there are large and small eight-character wheels, but the planetary gears and half-shaft gears of the automobile differential are cancelled. The internal structure of the picture is unknown. Please refer to two shaft transmission modes: Star 50 and Changjiang 750.