I am from this simple bicycle holding round thrilled I have for biking a Sigma lamp and when traveling downhill me the bracket is broken due to the vibration, I wanted to buy here no Ersatzhalterung because I'm not sure that this is not even breaking - here I am then came across this round bracket - this is very easy to assemble and can be used (up to a maximum thickness of 3 cm) as a support for all bicycle lamps or flashlights relative. Keeps Bombenfest! Super part, I've already bought a 2nd! Unique buy recommendation