Custom Sissy Bars for Metric Motorcycles. The Metric Sissy Bars collection at TC Bros is built for riders and builders who want to combine function, style, and a rebellious attitude in their custom motorcycle projects. This category features high-quality sissy bars and mounting hardware designed to provide reliable support for passengers or gear while adding a bold, iconic look to your ride. Perfect for models like Yamaha XS650, Honda CB750, and other metric classics, these sissy bars are crafted with rugged durability and easy installation in mind. With TC Bros’ commitment to top-notch craftsmanship and custom style, these sissy bars are the perfect addition to complete your chopper or bobber build.