Thieves stole mountain bikes from the back of a car in Hathersage.
The white Carrera and blue and black Specialized bike were taken from the back of a grey Volvo parked on the driveway of a home in Sheffield Road overnight between 8pm on Sunday, May 24, and 9.30am on Monday, May 25.
Derbyshire Police are appealing for anyone who may have seen suspicious activity in the area, or who may know the whereabouts of the bikes, to come forward.
Anyone with any information is asked to contact the Hathersage Safer Neighbourhood Team on 101, quoting crime number 21888/15.
Alternatively, call Crimestoppers anonymously on 0800 555 111.