The advantage of their size is that they can be transported in the pocket well and that the "assembly" is completed in 2 seconds. That was my main concern, because lamps were stolen with fixed Montagearretierung already öferts. That can not happen here, because the lamp can be removed completely from the handlebar.
As the Sigma Sport unfortunately has no battery to charge and therefore batteries must be purchased, there's instead of five, only four stars from me.
