Street bikes range from ultra-comfortable cruisers with amenities on par with luxury cars to supersport bikes, which are essentially street-legal racing motorcycles. Deciding which type of riding ...

Both World Wars saw the increased usage of motorcycles, which would ultimately lead to the creation of companies like Harley Davidson and DKW. The early 1930s saw fierce competition in the U.S., with ...

Information on helmet type was validated by interviewing motorcyclists ... effects of improper use of helmets on head injuries among motorcycle riders. To address these issues, a case–control ...