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.

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 ...

If the gears on your bike slip when you’re pedalling, or if they can’t shift into certain gears, they may need adjusting. Gear cables can stretch over time and derailleurs can be knocked out of ...

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 ...