The cycles were recovered by police on 27 May and may have been taken from Milton Keynes Railway Station.
The makes of the bikes recovered are:
Grand 2000 Mountain Bike
XT950 Mountain Bike
Russian Mountain Bike
AJS/02 Summit Bike
Police would like to hear from anyone who may have lost a bike of one of these makes around 27 May. Anyone who comes forward to claim the bikes will be asked a number of questions to ensure they are the legal owner.
If you believe one of the cycles belongs to you, please contact PC Andy Pearce at Milton Keynes police station via the 24-hour non-emergency number, 0845 8 505 505.