Originally Posted by
cyccommute
Tighten up your mount. If this is your mount
I've used a similar mount on heavy lamp heads without issue but the bolt under the lamp has to be tight.
I've tightened it to point I'm sure I was close to breaking the plastic. So far the CF paste seems to be working. I'm unimpressed with these mounts. They should be using a worm gear height adjustment at this price point.