There's virtually no good time for a flat tire, whether you're in your car or on your bike. Sure, a lot of gas stations have air pumps, but it's a little difficult to plan when your tire is going to ...

Alex Benigno was sick of changing his flat tires. He was getting them all the time on his car tires as he drove around Atlanta, and on his bike tires when he biked after work. “I’m really good ...