Hampshire Constabulary officers were alerted after a theft from a shed in Redhill Road, Rowlands Castle, between 6.45am on April 2 and 6pm on April 4.
The incident saw one bicycle stolen – a black and green Carrera Crossfire hybrid – which is worth an estimated £320.
The incident coincides with a string of recent offences in East Hampshire – including residential burglary in Horndean.
Anyone with information on the incident is urged to call police on 101, quoting the crime reference number 44190118170.