What is the principle of the two-cable gear shift in a manual transmission?

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Here is the explanation of the principle of the two-cable gear shift in a manual transmission: Basic transmission principle: Speed changes are achieved through different gear sizes. When the gear on the driving shaft is larger than that on the driven shaft, the rotational speed increases, and the torque decreases. However, in a manual transmission, the gears primarily function to reduce speed and increase torque. Synchronizer working principle: During the gear shift process, the gears to be engaged in the selected gear must have equal circumferential speeds. This ensures smooth shifting, allowing the gear shift task to be completed quickly and accurately. It also prevents gear collisions during synchronization. Operating mechanism working principle: In the process of vehicle movement, there are two types of operating mechanisms currently available in the market: direct operation and remote operation. The direct operation type is the most commonly used in the automotive market because it places the gear shifter on the right side of the driver, offering a compact structure and simple, convenient operation.