Embodiments of a strap assembly system for a golf bag are described herein. The strap assembly system can be converted between a single-strap configuration or a double-strap configuration. The strap assembly system comprises a first strap, a second strap, and a back puck. The back puck comprises first and second attachment openings for securing the first strap. The back puck further comprises first and second side openings that define a linear pathway and are configured to receive the second strap. The second strap can move freely along the linear pathway.