Here's my bike flashlight collection and a few mounts. The larger head lights go on the bars, smaller diameter ones go either on helmet or can be used on the bars.



The U-shaped swivel mounts work very well on the bars, depending on the light. The round plastic clamp only fits certain diameter lights. The Twofish lockblocks are the most versatile. Also included is a larger Twofish CycloBlock for big lights.