Charging & illumination "perfectly"! The holder is not "enough hard" not even "something-entwendungssicher" handlebar mount is just mandatory to either adapt or be replaced, for example, against the side bracket "B & M IXON holder for fork mounting / fork holder", otherwise, the accompanying "rubber bands" are terms kaltverspröden be described as questionable in the winter. In the rear light / seatpost is also to adapt and poses serious question why B & M is not serious hinbekommt (when the playful "rubber" as expectable rips on the seat post, do not notice the loss of time) BUT, at the OK Prize and the impeccable lighting and at the USB charging option and especially in the ordinary cases a concession's just when attaching make (!) -. And "fit" it thus, overall considered / evaluated