Perez says the male victim had been traveling with a group of cyclists but he sped away from them and crashed, his bike tumbling end over end.
The victim was declared dead at the scene. The name of the victim has not been released.
The CHP says a second crash occurred in clogged southbound lanes around 5:20 a.m. when a big rig rear-ended a stopped passenger car.
Tte freeway reopened at about 7:30 a.m.
The Associated Press contributed to this story.