The unusual rear hub of a bicycle that performs two roles is called a coaster brake. It makes it possible for the bike to move without having to pedal.
The word "coaster" is used in this context. It accomplishes the same task as a freewheel but uses a different mechanism to do so.
The top 3 coaster brake hubs are what we're going to discuss with you today. We conducted a thorough analysis and identified the most important hub among them.
Have a look:
1) DONSP1986 Bicycle Coaster Brake Hub
2) Sturmey Archer S30 3-Speed 36h
3) Lowrider Conversion Kit Coaster Hub Chrome