An interlocking brake structure for a saddle-type vehicle, the brake structure comprising: a vehicle body frame that includes a main frame extending rearward with respect to a vehicle body from a head pipe , a center frame extending downward with respect to the vehicle body from the main frame , a seat frame extending rearward from the main frame , and a sub frame connecting each of the seat frame and the center frame to each other; a front wheel brake for braking a front wheel ; a rear wheel brake for braking a rear wheel , the front wheel brake and the rear wheel brake each being constituted by a drum brake, the front wheel brake being disposed on a left side of the vehicle body; a rear wheel brake operation element , for activating the rear wheel brake , which is disposed on a right side of the vehicle body,; and an interlocking brake cable whose one end is connected to the rear wheel brake operation element via an equalizer , wherein the interlocking brake cable has a curved portion formed to be curved in a protruding manner rearward from the equalizer side, followed by extending forward, and the other end of the interlocking brake cable extending forward is connected to the front wheel brake , so that a braking force is applied to both of the rear wheel brake and the front wheel brake in response to operation of the rear wheel brake operation element , cha racterized in that the curved portion includes a forward extending portion extending forward from a rear end of the curved portion , and a rearward extending portion extending rearward from the equalizer side, and a plate-like member is provided between the curved portion and the vehicle body frame , and the plate-like member is provided with a first rib for guiding the rearward extending portion , and a second rib for guiding the forward extending portion . a vehicle body frame that includes a main frame extending rearward with respect to a vehicle body from a head pipe , a center frame extending downward with respect to the vehicle body from the main frame , a seat frame extending rearward from the main frame , and a sub frame connecting each of the seat frame and the center frame to each other; a front wheel brake for braking a front wheel ; a rear wheel brake for braking a rear wheel , the front wheel brake and the rear wheel brake each being constituted by a drum brake, the front wheel brake being disposed on a left side of the vehicle body; a rear wheel brake operation element , for activating the rear wheel brake , which is disposed on a right side of the vehicle body,; and an interlocking brake cable whose one end is connected to the rear wheel brake operation element via an equalizer , wherein the interlocking brake cable has a curved portion formed to be curved in a protruding manner rearward from the equalizer side, followed by extending forward, and the other end of the interlocking brake cable extending forward is connected to the front wheel brake , so that a braking force is applied to both of the rear wheel brake and the front wheel brake in response to operation of the rear wheel brake operation element , cha racterized in that the curved portion includes a forward extending portion extending forward from a rear end of the curved portion , and a rearward extending portion extending rearward from the equalizer side, and a plate-like member is provided between the curved portion and the vehicle body frame , and the plate-like member is provided with a first rib for guiding the rearward extending portion , and a second rib for guiding the forward extending portion . <EOS>