Drum brakes (brake wheel) disc brake braking performance Bibi (brake disc) large. But disc brakes and good stability, which is a constant braking performance is good. In addition, compared with disc brakes and drum brakes, short reaction time, not because of thermal expansion and increased brake clearance. Generally typical is "Qianpanhougu." Disc brakes front brakes is now widely used as a car, more and more widely used in high-speed cars and heavy-duty mining vehicles. All kinds of heavy trucks, tractor using a disc is also increasing. Company: The company specializes in the production of brake wheel diameter 200-630 double tooth pick-linked, direct succession, a tapered section pick-linking, brake couplings; Sales brake wheel blanks. Welcome new and old customers to negotiate, the company in good faith, to the quality of survival! Contact: Mr. Cheng Tel: 13703436489 Tel: 15836048004 Address: Changyuan bit Zhuang Industrial Zone Huayu Road 89 URL: jiantangqz.chinacrane.net --zhongqi