The stainless balls at the center of the Kolossos ST bearing only result in a friction increase of “a fraction of a watt” ...

The cylinder is essentially made from mesh that’s zip-tied to bicycle rims. A 1/4 horsepower motor mounted up top uses that v-belt pulley to spin the cylinder’s rims against casters that are ...

An oversized pulley wheel is, by popular definition ... There’s also a “a library of step-by-step video guides covering essential bike maintenance topics, such as fixing a flat tire, mounting ...

But what if your bike is equally expensive ... with absoluteBLACK’s updated HOLLOWcage Carbon oversize pulley wheel cage. At $419 or £339, it certainly warrants protection from the rain!