SF9 released on June 17, 2019 their EP titled RPM, with the same-titled song RPM as the titled track.
The concept photos are the same as the SF9 RPM teaser photos, only bigger in resolution and without words.
SF9 RPM Concept Chani
SF9 RPM Concept Dawon
SF9 RPM Concept Hwiyoung
SF9 RPM Concept Inseong
SF9 RPM Concept Jaeyoon
SF9 RPM Concept Rowoon
SF9 RPM Concept Taeyang
SF9 RPM Concept Youngbin
SF9 RPM Concept Zuho
SF9 RPM Concept