This bicycle has been stolen from Donegall Place in Belfast.
It was taken sometime on Sunday, July 15 between 1pm and 4pm. The bike was chained up near JD Sports.
Police are warning owners that their bicycles could be the target of thieves if they are not using a U shackle lock.
They say typical bike chains and cable locks are cut by thieves using bolt cutters.
For information on approved security products try https://www.soldsecure.com.