Motorcycle Helmets are your lifeline while riding a bike. States such as Arizona do not require motorcycle helmets but any smart rider knows that this is a necessary piece of equipment. Online motorcycle helmets can be more affordable then ones found in the store plus you have more options. First figure out what kind of helmet that you want; there are Harley Davidson motorcycle helmets, open face helmets, etc. This motorcycle helmet video may give you an idea for your next purchase. I recommended the Aria Rx-7, which I wear. It is featured in this video. Bike helmets should be tight. Loose helmets are unsafe and none functional. Check out onlinehelmets.com.