. 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, addax and flat handlebar road bikes with wide tyres. easy set-up and adjustments compatible with v-brake levers.