Most riders know about Crr, the coefficient of rolling resistance, and most are aware of charts showing which tires are the fastest. And everyone knows that a smaller Crr number means a tire is faster.

Have you ever wondered how aero Graeme Obree was? Was he as great an athlete as Merckx, Moser, and Boardman, or did he slip into elite company with the use of his innovative positions?

By Mark Alden

Vertically Inane and Laterally Fatuous

You might've noticed that we don't do a lot of bike reviews on this site. There's a couple of reasons for this.

Hi everyone. I'm an MBA student at UCLA and am doing my thesis project on an idea for a new type of bike helmet. If any of you have two minutes to take a quick survey about your thoughts on bike helmets, it would really help for my research. Just follow the link below. Thanks a ton!

The good, the bad, the silly. Schmalz italicized as usual.

I started training with PowerCranks in April of this year and have been using them regularly for the past 6 months.  To sum up my experience: They work.