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 ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Shimano’s new Ultegra groupset has now been officially announced. Dubbed R8000 for the mechanical ...