Model, proficient Tianma 125 male car. Failure: step on the rear brake, there is a sense of failure, and then forced to step on, suddenly "carbazole" about the moment to stop, and then normal. Features: When placed for a period of time (2-4 hours) ride, there is always a fault phenomenon, after the normal. Brake pads and assembly has been replaced, there is no change before this phenomenon. Solution for Xie.
Look at the brakes is not a gap
Brake pads and brake drum contact surface too little, or the gap between the two is too large,
Is your brakes above the installation of brake discs where there is a gap, so sometimes pedal will appear stuck, you should think of ways to do a good job, different circumstances, to use other methods,
