4-1/2″ flanged brake drum has 6 holes on a 5-1/4″ bolt circle.
It is machined ID for and expanding brake assembly like our AZ2208.
Has three sets of mounting holes: 3 and 4 hole on a 3.75″ diameter bolt circle and a 4 hole pattern to mount on our AZ2561 mini-hub for use on a 1″ live axle.
