There have been countless innovations to the rear derailleur over the years. These have included compatibility with an ever-increasing number of sprockets, the introduction of indexed shifting, STI ...

Shimano has updated its Alivio, Acera and Altus entry-level mountain bike components with features it claims are essential for real off-road riding. Shimano is calling its latest 3x9 drivetrains ...

A complete guide to what’s going on at the rear end of your bike When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a preferred source on ...