The C4 is the best flip-up helmet of 2017!
"(...) during trials, the one from Magdeburg performed brilliantly: top marks in four out of six categories, twice just one point below.”
MOTORRAD motorcycling magazine tested a total of twelve current flip-up helmets and the C4 achieved 88 points out of a possible 100. In particular, the "(...) provided a brilliant fit, comfortable lining, perfect ventilation, very low Noise Level, visors with an enormous field of vision, opulent instrumentation. (...)" are very convincing.
Verdict: “Very good”.