Police in Northumberland are warning cyclists to lock up their bikes after a number of thefts in recent weeks.
People are advised to use good quality locks and make sure they secure bikes, even if leaving them for a few seconds.
Parents are being urged to make sure their children have secure locks and the right advice to make sure their bikes aren’t stolen.
Almost half of all bike thefts in the Northumbria Police area have taken place after bikes have been left unattended and insecure.
Northumberland Chief Inspector Peter Reeve said: “Criminals are on the look out for opportunities and a bike that has been left unlocked and out in the open is a prime target for a thief and can be stolen in seconds.
“Bikes can be expensive pieces of equipment and people need to start looking after them. If leaving your bike unattended then make sure you secure it to something with a good quality lock.
“Store them in garages or sheds if leaving them for long periods of time, and always make sure that you lock sheds and garages.
“Little steps like this will help you protect your bike and keep thieves at bay.”
The advice is part of Operation Soundwave, a Northumbria Police campaign targeting opportunist thieves and burglars and promoting crime prevention advice to the public.