Police in Calderdale are appealing for any information after four valuable pedal cycles were stolen from an address on Harwin Close, Northowram.
The bikes were taken from two sheds overnight between 15 and 16 November. One of the stolen bikes is pictured.
Each of the four bikes is built of different parts, making them unique.
Anyone who witnessed the offence or who is offered one of the bikes for sale is asked to contact Calderdale CID on 101.