There are some changes of the saddle-bags system:
— removable insert for rigidity. It’s prevent breaking of the saddle bag if it isn’t filled enough.
— new fixation to the seatpost with strap through the buckles. It is more durable and reliable system.
— two types of the saddle-bag shape. If the seatpost is small and the tyre is close to saddle
it is better to choose the bag which is more narrow.