I will be saving my gift card after reading this thread for this purpose. It actually is with 54 mm just about the saddle length and if the saddle action is too low, adding about 0.8 mm might be just right. Might be too much, but anyways no buzzes then.
Saves a lots of time instead sand a new saddle to right width and then carefully down to a proper height.
Saves a lots of time instead sand a new saddle to right width and then carefully down to a proper height.