MBR9 OUT OF 10
The Central 650 comes with what it describes as a 'universal mount', which is supposed to manage both bar and helmet mount duties. It very nearly does, with a long rubber band underneath the swivelling light bracket that fitted easily to most of our teams helmets. Although not all, as the vent layout on the POC is just beyond it. Fortunately, it is GoPro mount compatible, so we just dusted off an old helmet mount and subsituted that with seamless results.
Light quality is excellent, with the moderately specced 650 lumen placed in a soft centre spot with just enough peripheral light to keep you informed of your surroundings without being too distracting. The power button on helmet lights is very important - it has to be prominent enough to be found with thick gloves on, and the click has to be postive enough to let you know you have connected. The Blackburn is both.
A micro USB charging port eliminates the need for a dedicated adaptor, and while it could have been lighter when mounted to a helmet. it wasn't unreasonable. We like this light a lot, and every tester was surprised to hear the price - a bit of a steal if you ask us.