Helmets come in different sizes, typically small, medium, and large, often accompanied by specific measurements in centimeters. Choose a helmet size that matches your head circumference. If you’re between sizes, opt for the smaller size for a snug fit, as most helmets come with adjustable padding and retention systems to fine-tune the fit. Positioning the Helmet When you place the... https://www.uniquebikezone.com/how-bike-helmet-should-fit/#more-1783