Who says you have to slow down as you age? These grandmothers laughed in the face of traditional stereotypes and proved to the world that they're bigger badasses than all of us combined.
You're never too old to be a biker chick! Just ask this grandmother who managed to win the heart of a sexy biker who was more than happy to offer her a ride. Hang on to his leather jacket granny! It's going to be the ride of your life.