I removed it for my first ride with the helmet. This brings up one of the most interesting new features of the XD4 – the ability to remove the peak. In fact, the XD4 can be configured three ways: with peak and face
it is 30% lighter than the Corsair-V. This is greatly attributed to the synthetic fibers and special resin formula that Arai has developed. Arai has not abandoned their special R75 shell shape, however. A lightweight, aerodynamic, and protective helmet is very sought after by racers...
We’ve searched for information on helping customers find the correct size helmet also and can’t find it, so perhaps it’s either well hidden or missing? My size XL Arai Quantum II fits my head shape better than any other helmet I’ve ever worn — and I’ve worn well over 100. ...