Gypsy Joker biker charged over NSW assault

A truck driver has a fractured skull after allegedly being dragged from his vehicle and bashed by two men in Sydney's west.

A 26-year-old man, who is a member of the Gypsy Joker outlaw motorcycle gang, has been charged over the incident, which occurred on Monday afternoon, police said.

It's believed the 58-year-old truck driver was flagged down by two men in a white ute on Vardy's Road at Blacktown before being pulled from the vehicle and seriously assaulted.

The truckie suffered serious facial injuries and a fractured skull.

The bikie, who was arrested at Marayong, has been charged with recklessly inflicting grievous bodily harm in company and is expected to face Blacktown Local Court on Wednesday.