Scariest wreck I ever had: maybe two miles an hour on a bike path. Slipped in wet leaves, loud bang, bright flash, and the world was on its side. Later on I

Scariest wreck I ever had: maybe two miles an hour on a bike path. Slipped in wet leaves, loud bang, bright flash, and the world was on its side. Later on I figured it out: even with the helmet on I'd hit hard enough to lose that little bit of time. Helmet, always, every time.