A little while back, we took a look at a large cargo bike from Urban Arrow that had some interesting features: a drive train that sported continuous variable gearing and a belt drive. But it was ...

Variable-pitch drives are the simplest of all mechanical adjustable-speed mechanisms. Most of these drives use rubber belts. However, chain types are unmatched in regard to its particular strong ...

The Telam CVT has both forward and reverse rotation as well as a geared neutral inherent in the design, making it what’s called an infinitely variable transmission (IVT). July 7, 2011 6 min read The ...