A cyclist suffered a head wound when a driver forced him off the road.
The 51-year-old cyclist was heading downhill at speed when a silver car approached from behind and caused him to crash.
The cyclist, who has asked not to be named, suffered a gash to the top of his head and lost consciousness for a short time.
He and his family believe he is the latest victim of a disturbing trend which has seen three other cyclists experience run-ins with a silver car this month.
Last week, three cyclists told the Mercury they had been forced off the road by a silver car or shoved by someone in the passenger seat.
The fourth cyclist was targeted as he returned home from a barbecue shortly after 1.30am on Sunday, July 14.
As he went down Hollycroft, Hinckley, a car sped towards him from behind, slowed and, apparently, deliberately swung into him.
The man and his family contacted the Mercury to warn other cyclists.
He said: "I'm pretty tough, but I think I was lucky my injuries weren't worse.
"Really, it's a case of being in the wrong place at the wrong time.
"I don't know for sure if it was the same car which has hit the three other cyclists, but it could be and someone is going to get very seriously hurt or worse if this doesn't stop."
The man's wife, 37, said: "He was going quite fast at the time, so he was badly hurt when he fell. He hit his head and lost consciousness for a short time.
"We have spoken to two people who witnessed it and helped him he was on the ground.
"They said the car deliberately drove at him and forced him off the road. They also said that a taxi and a Volkswagen Golf were behind the car and must have seen what happened.
"We need the drivers of those two cars to come forward and help the police find whoever it is that is doing this to cyclists.
"My husband is an experienced cyclist and is embarrassed he wasn't wearing his helmet at the time.
"We had been to a friend's house and we were only a short distance from home and on this one occasion he didn't wear his helmet.
"We thought we should speak out about what happened to warn other cyclists they should always wear their helmet and other protective equipment."
The previous incidents happened in Croft, Broughton Astley and Earl Shilton.
Police said they were looking into the possibility of a link between the first three incidents, which all happened in the south-west of the county and involved a silver car, possibly a BMW.
Officers have not yet been able to establish whether the incident in Hinckley is linked, a police spokeswoman said.
Witnesses to any of the incidents are urged to contact police on 101 or Crimestoppers on 0800 555111.
