THIS IS A REAR BRAKE SET COMPLETE OLD SCHOOL STYLE,THIS WILL FIT MANY SCHWINN BIKES,,SEARS,,ROADMASTER BIKES AND OTHER BRANDS WILL FIT MANY BMX / MOUNTAIN,,BEACH BIKES AND MANY OTHERS,THEY ARE MADE OF STEEL AND ARE VINTACE STYLE BUT ARE BRAND NEW THEY FIT MANY 5 OR 10 ,12 SPEED BIKES,OR COASTER BRAKE BIKES AND MANY 3 SPEED BIKES AND ARE GREAT FOR THE 20 INCH WHEEL MUSCLE BIKES. HHG