A 51-year-old San Jose man died Monday afternoon after losing control of his bicycle and falling near San Jose’s Almaden Reservoir.

According to the California Highway Patrol, the man was riding about 20 mph eastbound on Hicks Road and west of Alamitos Road.

Just after 2 p.m., he lost control and fell from his bike. The CHP said the man was wearing a helmet; it’s unknown if alcohol or drugs were a factor.

The CHP closed both directions on Hicks Road at about 2:30 p.m., and reopened the road about 5 p.m.

The victim’s name was not released pending notification of his relatives.