THIS IS A VINTAGE NOS REAR WHEEL SPOKE PROTECTOR FOR ENGLISH USA SCHWINN AND OTHER BRANDS OF BIKES OF MANY STYLES. IT IS 4-3/8" SIZE, THIS IS QUALITY STRONG CHROME STEEL. THIS SPOKE PROTECTOR WILL FIT MANY MURRAY BIKES, SEARS, HUFFY, COLUMBIA AND MANY OTHERS. THIS IS ORIGINAL NOS ITEM FOUND IN A OLDER RALEIGH BIKES.