A bike helmet that fits you properly will feel better on every ride and, most importantly, can help make sure it can do its job in case it needs to. This step-by-step guide explains how to select the right size bike helmet and adjust it correctly for the best fit.
How to find the right bike helmet size at home
Measure the circumference of your head using a cloth tape measure or a piece of string and a ruler. Be sure to measure horizontally across your brow and over your ears. Use the bike helmet size chart below to find the proper helmet size based on your measurement.
Wear the helmet in the correct position, with your forehead protected