A Coburg mother who opened a car door into the path of a cyclist, knocking him beneath the wheels of a truck that killed him, has been fined $1000 in court, sparking calls for stiffer penalties and safer bike lanes to prevent more cycling deaths.

Seven News reported that Christine Savic​ was fined $1000 at a hearing on Monday in the Melbourne Magistrates Court over the car-dooring offence, which claimed the life of Italian chef Alberto Paulon​.

Alberto Paulon and his fiancee Cristina Canedda.

Mr Paulon, 25, and his fiancee Cristina Canedda​ were riding along Sydney Road in late February when the crash happened.

According to Seven News, the court heard Savic looked for cyclists in her side mirror, but only saw Ms Canedda, so she waited for her to pass and then opened her car door.