A shower door track assembly is disclosed. The shower door track assembly includes a vertical support. The shower door track assembly further includes a lower rail connected to the vertical support configured to receive a roller of a sliding shower door. The shower door track assembly includes a connecting projection connected to the vertical support. The shower door track assembly further includes a removable header including an upper roller retainer. The removable header is removably attachable to the connecting projection such that when the removable header is attached to the connecting projection, the upper roller retainer prevents a received roller from being removed from the lower rail, and when the removable header is detached from the connecting projection, the received roller is removable from the lower rail.