Got the holder drying risen as 2nd bracket for my scooter, because I do not ever wanted to convert the holder. With the first bracket on my MTB I now go for 2 years with no defects. The holder performs its function in my opinion, is too expensive in relation to the Sigma light. I share the assessment of my predecessor, that frequent remounting of the fixture leads to premature wear derselbigen. So let the best mounted u. A 2nd bracket set.