This is a vintage Sturmey-Archer AW-9 rear hub for bicycles with 40 spoke holes. It comes with 3 speeds and is suitable for use with rear brakes. The set includes the hubs and it is a great addition for bike enthusiasts and collectors. This hub is meant for those looking for a dependable and high-quality product. Whether you are restoring an old bike or building a new one, this hub is an excellent choice for your project.