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 flat handlebar road bikes with wide tyres. - Easy set-up and adjustment. - Not compatible with V-brake levers.