Pedal Push

Jeff Frings has a talent for attracting insults. Soda bottles have been hurled at his head without warning. He's been called unprintable names by people who don't know his actual name. He's been sideswiped and rear-ended and run off the road more times than he can count. Red Sox fans wandering through Yankee Stadium have been subject to less abuse from complete strangers than Frings has on the streets of his hometown, Milwaukee.

So what's his problem? It's simple: he's an avid bicyclist. Over the past few years, Frings--a 46-year-old photographer who bikes well over 100 miles a week--has kept video...