Disk brakes, used for years for front wheel application, are fast replacing drum brake on the rear wheels of modern cars.
在汽车前轮上应用多年的盘式制动器正快速的取代鼓式制动器应用于更新式的汽车上。
2
Aluminum alloy frame, folding ramp after the handrails, removable foot care, which handles, solid front, plastic rearwheel frame PU, even after the hand brake.
铝合金车架，后折斜扶手，可拆脚托，后者把手，实心前轮，塑料轮框PU后轮，后把手连刹车。
3
The previous model DD650 bus had the disadvantages of poor braking performance and liability to burst of rearwheel tyres, which caused by the defects of rearwheelbrake.