I looked for another bell for my Giant- pedelec bike, because the original Giant bell was not working cleanly. By chance I came across the CATEYE Fahrradklingel.Die reviews were convincing. I ordered the bell along with other products because of shipping. The bell is really super.Die assembly is simple, but be careful: Do not install in the cold state, as the retaining ring is made of plastic. The shutter button can be rotated by dragging the lower level, so that everyone has their own position can be established. The sound is full, and can be varied up to a loud ping by a corresponding strong attack of a faint. It is nice that there is the bell in different colors.