Authorities have identified a motorcyclist who died in a crash in Danville last week that also involved a bicyclist.

Carmen Seppy, 52, of Danville, was going south on San Ramon Valley Boulevard on Nov. 22, when the bicyclist lost control and fell in front of his motorcycle. Seppy died at the scene despite emergency treatment from San Ramon Valley Fire Protection District paramedics.

it remains unclear why the bicyclist lost control.

The crash happened around 12:30 p.m. when the two were near Fountain Springs Drive, the entrance to the California Chateau subdivision.

The bicyclist was hospitalized, but authorities deemed his injuries minor and said he’ll recover.

Danville police said the case remains under investigation. Nor charges have been filed against the bicyclist.