`- Bicycle bell designed specifically for mountain biking\n- Features an on/off switch for awareness when you need it, and silence when you don't\n- Original model uses quick release O-rings to mount and fits 35-22mm bars\n- Bolt on model fits 31.8-22.2mm bar with clamp and shim\n- Slide the lever down for on, up for off or set it in between for a quieter sound\n- *Third party online sales strictly prohibited by manufacturer*