MyBell – Custom Bike Sounds up to 105 dB Cycling / Bike Accessories, Bike Bell, Bike Lights Loud as hell and customisable.
Orp Bike Horn and Light – Stay Safe in Traffic Cycling / Bike Accessories, Bike Bell, Bike Lights Louder than your average bike bell and comes with LEDs, which can activated in either three modes: slow flash, fast flash, and constant on.