just want to say hey i am from lockport la. am building 63 pan head trike a bike that i rode for 10 years from 20 to 30 as striped down dresser but sold after anurisiom crippled me up but luckely got back after 18 years going to start riding on 3 wheels wanting to convert servicar rear end to disk brakes heard of it being done before but not sure calipers or rotors i should use anyone with ideas thanks