| 摘要 |
PROBLEM TO BE SOLVED: To lessen kinds of components of a rear wheel brake fluid pressure controller controlling the fluid pressure of the rear wheel and facilitate the imposing so as to bring the distribution ratio of a brake force of the front and rear wheels near the ideal distribution ratio, when braking the both front and rear wheels of the motorcycle. SOLUTION: When an output fluid pressure of a master cylinder is lower than a first setting pressure, the output fluid pressure of the master cylinder is directly applied to a rear wheel brake; when the output fluid pressure of the master cylinder is lower than a second setting pressure greater than a first setting pressure and not less than the first setting pressure, the brake fluid pressure is maintained, and when the output fluid pressure of the master cylinder is less than the second setting pressure, a plurality of fluid liquid controllers 5 reducing the brake fluid pressure of the rear brake are arranged in the housing 6 in parallel with each other, so as to be stored in a plurality of housing holes 7, corresponding to the improvement in the output fluid pressure of the master cylinder.
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