Regolare freni che fischiano, vibrano o non sono modulabili (inchiodano)

This video explains how to correct some potential problems with traditional rim brakes: Squealing brakes Vibrations when braking Poor modulation (impossible to properly control braking power) Brakes that lock up suddenly The procedure is very simple and quick; all you need is an Allen key and a small piece of cardboard. The brakes shown are single-pivot Dura Ace 9100 brakes, but this guide applies to all Shimano brakes of all series, even older ones, starting with the 10-speed groupsets, as well as Campagnolo and SRAM brakes.