Transmission resistance control device and exercise bicycle

The invention belongs to the technical field of fitness equipment, and discloses a transmission resistance control device and an exercise bicycle. The transmission resistance control device comprisesa frame on which a control mechanism, a transmission mechanism and an adjustment mechanism are arranged, wherein the control mechanism comprises a first controller and a second controller electricallyconnected with each other; the first controller is configured to receive control information and send the control information to the second controller; the transmission mechanism comprises a flywheelcomponent, a belt and a belt reel; the flywheel component is in transmission connection with the belt reel via the belt; and the belt reel is rotationally arranged relative to the frame; the adjustment mechanism is arranged on the flywheel component and electrically connected with the second controller; and the adjustment mechanism is configured to adjust resistance of the flywheel component according to a command sent by