Smoothness. Noise reduction. Campy's 5.15mm Chorus chain delivers the qualities you demand from a chain, and fully meets the performance standards of 12-speed groupsets. The strength of the treated steel links is ...

smooth and precise. It's been redesigned to work with all 12-speed compatible components, featuring the Ultra-link system to increase durability and safety. A special treatment was added to the chain to enhance ...

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. ...

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. ...

Using Hyperglide sprockets with revised tooth profiles, the CS-8000 11-speed cassette features reduced wear and lightning-quick shifts. Even under the most demanding gear changes you can expect improved shifting thanks to a ...