Produces consistent sound. The mechanism does not require a specific approach, happily responds to different application techniques.
Strong / resilient design.
Small form factor footprint - takes up minimal handlebar real estate.
Stainless steel screw and copper shock head.
No sharp protruding elements.
Choice of Silver or Black.
Notes:
These can usually be mounted on the inside handlebar lock, adjacent to the brake lever. If positioned well the bell housing will clear the brake lever bracket by a small margin.