Ballad of Biking Mike

The older a guy is, the more expensive his toys are. Some toys sometimes cost more than an airplane. Take the Tundra 5000 bicycle, for example. You can ride it just like you can ride a ten-buck bike. The only difference is that it costs five hundred times as much. Also, they say it can make your balls go numb. It's already caused a lot of divorces and breakups. However, there is a certain category of people who are only happy if their offspring use the Tundra 5000, leaving the girlfriends unattended...