The crash happened at about 4 p.m. on Bells Ferry Road, at the Lake Forest Drive intersection just south of Highway 92.
The Georgia State Patrol said the motorcyclist ran into the side of a white Kia Sorento driven by Robert Emmett Flavin, 63, of Woodstock.
“Preliminary indication is a motorcycle was southbound on Bells Ferry Road and hit the right side of a Kia Sorrento that was making a left turn onto Bells Ferry Place,” the GSP spokesperson said.
Spencer was in critical condition after the wreck and died on the way to WellStar Kennestone Hospital in Marietta, the spokesperson said.
The driver of the Kia had cuts to his head, but was evaluated on the scene and released, said Tim Cavender, spokesman for the Cherokee Fire and Emergency Services.
Traffic on the southbound side of Bells Ferry Road had to be rerouted until the cleanup was complete. No other injuries were reported
The investigation into the crash is still ongoing, and charges are pending the completion, the GSP spokesperson said.