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 ...

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Shimano appears to be developing a radical new rear derailleur, with a three-pulley design that could wave goodbye to clutch adjustment, according to a patent application filed by the Japanese brand.

Some readers will likely note Shimano already has clutch mountain bike derailleurs that can be paired with electronic shifting for 1x systems. With the new Ultegra RX derailleur, Shimano expands ...

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 ...