Shimano’s Shadow Plus rear derailleurs have improved chain retention and shift accuracy by reducing the movement of the derailleur’s cage while riding. The clutch mechanism inside a Shimano Shadow ...

Derailleurs are the transmission of your bike. When you shift, they guide the chain to the correct gears. Whether you’re fixing a particular problem with your chain or simply giving the system a ...

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 ...