Here is the science behind A perfect Cycle Helmets

Translating this information into actual-life results, the authors state that sporting a helmet can cut back the pressure of a head effect during an accident occurring at 30 miles per hour to the power of a head impression occurring at 7 miles per hour. The helmeted skull could withstand a 470-pound power; the helmet alone displayed initial cracking at a hundred to 200 pounds power. Why Must you...