Cantilever brake with quick release mechanism

A brake device of bicycle comprising:

• a triangular cable stop comprising a first corner attachment, a second corner attachment, a third corner attachment, and a wheel disposed between the first and second corner attachments;
• a first pivot member comprising a first trough;
• a first cable passing through the first corner attachment, the wheel, and the second corner attachment to be fastened at the first pivot;
• a second pivot member comprising a second trough;
• a second cable having one end fastened in the third corner attachment and the other end fastened in the second pivot member;
• a first brake arm releasably pivotably secured to the first trough of the first pivot member and comprising two opposite first projections and a spring actuated first adjustment knob distal the first projections;
• and
• a second brake arm releasably pivotably secured to the second trough of the second pivot member and comprising two opposite second projections and a spring actuated second adjustment knob distal the second projections.