A man is dead after a high-speed motorcycle crash in northwest Harris County.

Investigators said the motorcyclist was speeding along the North Freeway feeder road near Cypresswood around 10:15 p.m. Wednesday, when he tried to enter the freeway.

He ended up hitting the curb and crashing. Investigators said he wasn't wearing a helmet and slammed his head on the ground.

The rider later died. His name hasn't been released.