Here are some images showing you how to increase the clamping pressure of the locking systems on the stem to your own requirements, Just simply slip a piece of plastic the same thickness as a business card to tighten the clamp. The principle is the same for the handle and the clamping ring of the lower section.
This method can also compensate for the wear on the pads over the years. Therefore as with the current detectors, it will not be necessary to change the blocking systems which are difficult to replace.
Blocking System for stems.jpg