to perform on the road. Shadow chain retention technology helps to combat dropped chains and missed shifts. It is compatible with 11-speed Shimano road drivetrains and shifters.

first 12-speed road mechanical system, making it a great option for any cyclist wanting a wider range gear capacity and smooth shifting in a value-focused groupset. Shadow RD stabilizes the chain for ...

yet another bold leap forward in top-level bike racing technology. Time tested by pro riders and engineers, Shimano has added another layer on top of the highest level of components available today. ...

for lighter, quicker operation with the help of low-friction polymer-coated cables. This derailleur is also Direct Mount-equipped offering a stiffer foundation for improved shifting as well as minimizing the chance of frame ...

with chain security and quiet, stable shifting in mind for gravel riding. The GRX RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes and provides a wide gear range so you can ...