Giro Register

The Register™ helmet combines sleek design and lightweight construction with features that complement your style, on the road or trail. Made with InMold Construction technology in a comfortable Adult Universal Fit™ 54-61cm size, and equipped with Giro’s convenient Roc Loc® Sport system, the Register adjusts with a simple turn of the dial so you can customize the fit in seconds. A range of colors from mild to wild lets you choose exactly how your on-bike style comes together to create a helmet that looks and feels like it was made for you.