Are you a member of either British Cycling, the London Cycling Campaign or Cycling UK (formerly the CTC)? They all provide free legal services. But even if you don't then it's probably worth contacting a lawyer to represent you. I would personally recommend Leigh Day, who I used via BC, and they were excellent.
You should read this thread for a start;
https://www.lfgss.com/conversations/131099/
Are you a member of either British Cycling, the London Cycling Campaign or Cycling UK (formerly the CTC)? They all provide free legal services. But even if you don't then it's probably worth contacting a lawyer to represent you. I would personally recommend Leigh Day, who I used via BC, and they were excellent.