Brake device having an elbow for guiding a brake cable

A brake device for a bicycle comprising:

• a brake arm including a lower end for pivotally coupling to the bicycle frame and including an upper end,
• a stud including a first end pivotally coupled to said upper end of said brake arm at a pivot pin and including a second end having a ring and a head formed thereon, said ring and said head having a size larger than that of said stud,
• a casing including a first end having a first opening and a first notch formed therein and communicating with each other and including a second end having a second opening and a second notch formed therein and communicating with each other, said first notch including a smaller size than that of said first opening for engaging with said stud and for allowing said ring to be engaged with said opening, said ring including a size slightly larger than that of said first notch and including a size corresponding to that of said first opening for rotatably engaging in said first opening and for preventing said ring from being disengaged from said casing and for allowing said casing to be rotatably coupled to said stud, and
• an elbow for guiding a brake cable, said elbow including an extension having a size corresponding to that of said second opening for rotatably engaging in said second opening and for allowing said elbow to be rotatable about said extension.