In the early 1990's an advance in EPS from General Electric called GECET was introduced to bicycle helmets. Although GE had not originally designed its combination foam and r… See more

The first fasteners were mostly D-rings, a design borrowed from motorcycle helmets where the strap is fed through two d-shaped rings and doubled back through them to gri… See more

Women and children have not been neglected in helmet marketing, although aside from graphics the only women's feature of note is the pony tail port, pioneered … See more

For the definitive book on the history of every type of helmet including good coverage of bike helmets and a lot more, see Jim Newman's "Modern Sports Helmets: T… See more