The heartbroken fiancée of a man who was killed in a mysterious motorcycle crash has appealed for help after police failed to solve the case . Rebecca Gregory , 22 , believes her husband-to-be Brett Hames , 24 , died after another vehicle forced him off the road and then fled the scene . Before he died Mr Hames said : ' I thought I was going to hit the car ' but nobody has come forward to admit they were involved in the incident near Sutton-in-Craven , North Yorkshire on December 5 . Detectives believe he died after he was forced to avoid a collision with another vehicle when he crashed , but police have been unable to trace the driver . Heartbroken : Rebecca Gregory , 22 , believes her husband-to-be Brett Hames , 24 , together right , died after another vehicle forced him off the road and then fled the scene . Mystery : This is the isolated North Yorkshire road where Mr Hames died on December 5 and he had said that he had to avoid a car in the moments before his crash . His heartbroken partner Rebecca Gregory , 22 , is appealing for the person to come forward to finally give her the vital answers to how her partner of seven years lost his life . Police and Brett 's family are also backing her campaign , which has included a Facebook page and posters put up across the Pennines . Describing what happened on the day she died , she said : ' I was waiting for him to come back to our home and I knew when it got to five o'clock that something was not right . ' I kept looking at the window , waiting for Brett 's motorbike to pull in but it was a police officer who turned up instead and told me that he had been in an accident . ' I rushed to hospital and waited for news from the surgeons but they just came out and told us that there was nothing they could do . I was devastated . ' North Yorkshire Police have received several responses after issuing an appeal for witnesses . But more are needed to piece together the circumstances around the accident . Mis Gregory said : ' I tried in December to find the driver but nothing came of it and it just strengthened my resolve to try and find them . ' I 'm not sure how I will feel if the driver came forward but I will know when it happens . 'All I know is that I will have made Brett proud . ' Much loved : Rebecca and Brett were childhood sweethearts who were planning their wedding . Collage : Miss Gregory has launched a campaign to help find out what happened in the moments before Brett was killed in a car crash . Rebecca , then 15 , asked Brett out and they were inseparable . She said : 'Brett was absolutely wonderful - He had the greatest sense of humour and he was such a loving person . 'Every time I was ever down or feeling upset , he 'd always do his best to cheer me up by taking me to see the pigs near to us . 'He was such an animal lover and a lover of everything in general . 'He had such a massive impact on anyone who came into contact with him and everybody has told me that since he died . ' Traffic constable Dave Seavers , of the North Yorkshire force 's major collision investigation unit , is still looking for anyone who saw a car or bike driving along Pole Road at around 2pm on December 5 . He said : 'It is vital we find out exactly what happened to cause Brett to come off his motorbike . Brett 's loved ones deserve to know how he lost his life ' . Those with information are being asked to either e-mail the traffic police on mcit @ northyorkshire.pnn.uk or call the police non-emergency number on 101 , asking for the North Yorkshire force and the major collision investigation team . The reference number for the incident is 12140210210 .
Brett Hames , 24 , died after coming off isolated Pennines road in December . The coroner said he had suffered a fractured skull and was left with no brain function for more than two years before his death. Miss Gregory has made an emotional appeal for the driver to come forward .