Police are investigating the circumstances of a serious single motorbike crash at Ravenswood last night.  

Around 7.15pm emergency services responded to reports that a motorbike had crashed near Mornington Drive.  

The male rider, aged in his 30s, had been riding a black Honda CBR 1000 south on Mornington Drive towards Bendigo Street when he crashed.  

He was transported to the Launceston General Hospital in a serious condition.  

Police are investigating the circumstances of the crash.  

Anyone who saw the bike travelling in the area around the time of the crash is asked to contact police on 131 444 or Crime Stoppers anonymously on 1800 333 000.