Brake Components for Metric Motorcycles. The Metric Brakes collection at TC Bros provides high-quality braking solutions designed to enhance the safety, performance, and style of your metric motorcycle. This category features components such as calipers, master cylinders, brake lines, and hardware, all engineered for durability and optimal stopping power. Ideal for models like Yamaha XS650, Honda CB750, and other custom metric choppers or bobbers, these parts are perfect for upgrades or complete custom builds. With TC Bros’ trusted quality and attention to detail, these brake components deliver the confidence and control you need, with the attitude and performance your ride deserves.