Paul Component Engineering Touring Cantilever Brake PolishPaul Component Engineering Touring Cantilever Brake Polish. The Paul Components Touring Cantilever Brake is designed to work with road or short pull mountain levers. It offers a narrower profile without significantly reducing stopping power. The arms of the Touring Canti are machined from lightweight 6061 aluminum A T shaped cross section prevents the brake from flexing too much under load Brake pads mount to slots in the arms that allow for vertical