Gear: New kinds of wheels for fitness, fun

The invention of the wheel sometime around 4,000 BC suddenly made all kinds of things easier, from carrying to killing to athletics. Fitness is great on wheels; putting a circular ring with an axel on any athletic contrivance instantly gives it an exhilarating sense of speed that can turn any workout into fun. Here are some of the newest wheeled workout wonders sure to inspire feats of fitness at any age.

By Roy M. Wallack

October 27, 2012