THIS IS A NOS VINTAGE REAR BRAKE CALIPER GREAT FOR SCHWINN STINGRAY KRATE MUSCLE BIKES & OTHERS. THIS CALIPER IS THE 1080 - 1983 MODEL. THIS IS THE MORE HARDER TO FIND REAR BRAKE SINCE IT HAS THE BIG ROUNDER ARMS TO REACH AROUND WIDE FENDERS FOR THE BRAKE SHOES TO RIDE ON THE REAR WHEEL. THIS ITEM CAN BE USED ON 20 INCH WHEEL BIKES 26 AND OTHERS. IT IS RARE NOS VINTAGE NEVER USED ITEM STAMPED DIE COMP IN NEVER USED CONDITION. GREAT FOR SCHWINN STINGRAYS KRATE, OLD SCHOOL BMX BIKES & OTHERS.