Gear shifting support seat

The utility model discloses a gear shifting support seat which comprises a support seat body. A protruding mounting portion for a rotary lining is arranged on the support seat body, the rotary lining is arranged in the mounting portion for the rotary lining, a gear lever component is arranged in the rotary lining, a rotary pin is arranged at the end, far away from a gear shifting arm, of the mounting portion for the rotary lining, and two ends of the rotary pin penetrate through the mounting portion for the rotary lining. A flexible shaft mounting plate is arranged at the rear end of the support seat body, a gear-selecting rotary sliding lining is mounted at the tail end of a gear-selecting arm in sleeved mode, a gear-selecting rocker arm bracket is mounted on the gear-selecting rotary sliding lining and the rotary pin in sleeved mode, a gear-selecting connecting rod is connected to the lower portion of the gear-selecting rocker arm bracket in hinged mode, the gear-selecting connecting rod is hinged with a ge