Shimano cantilever brake br cx50shimano cx50 cantilever brake for road levers original shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity features shimano cx50 cantilever brake for road levers cable pull matches that of super slr drop bar levers making them compatible with road sti levers ideally suited to cyclo cross offering good mud clearance yet still maintaining low profile can be used for cyclo cross touring audax and f