Vittoria V400 Road Bicycle Helmet. After making their mark in the realm of high performance cycling footwear, Italian manufacturer Vittoria has turned their attention to helmets. And the Vittoria V400 is a superb example of their expertise in creating a lightweight, well ventilated road Bicycle Helmet that's also exceptionally comfortable and stylish. Vittoria's Roll Fit retention system makes a precision fit just a dial twist away while the Vittoria Ergonomic Fitting Concept ensures the pads and straps are incredibly comfortable. Ever had issues with bugs entering the vents of your Bicycle Helmet The Vittoria V400 has the answer to that with netting integrated into the Bicycle Helmet for eight center vents, front to back, to keep bugs at bay. Additionally, there's a removable visor that's perfect for protection against sunlight, rain, as well as debris as conditions warrant.