Here you can see the hubs of the wheels with the drums of the brakes, after the mechanic Stefano has rectified them by lathe (...it say that almost was not necessary!!), and after a well cleaning and polishing with metallic brush mounted on hand grinder..  

An other sight of the hubs...you can see that are already without the old ball bearings.

An other sight of the hubs...you can see inside left one the main gear getting the rotation for the speedometer

Here you can see how re-mount the new ball bearings, one per side of hub of wheel.

Here you see the brake plate ready to remount the jaws of brake, that you can see in background of the picture.

Here the jaws of  the brake of the rear wheel are mounted onto the plate.

Here you can see the two plates of the brakes, front to the right and rear to the left, please note that in the right one is assembled, near of the stud of the wheel, the little shaft with the teflon gear to engage, outside of plate, the speedometer cable.