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.

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 ...

New Shimano SIS RD TY15 Rear Derailleur NOS eBay online, Shimano SIS Rear derailleur fixing problem Bicycles Stack Exchange online, Shimano SIS Rear derailleur fixing problem Bicycles Stack Exchange ...

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’s a new mixed drivetrain option in town. Cyclocrossers, monster crossers and gravel enthusiasts have been drawn to SRAM’s roller bearing clutch Type II rear derailleurs for better chain security ...