Ceramicspeed OSPW RS ALPHA Shimano 9250\/8150 Di2 12S Black Derailleur Cage

Ceramicspeed derailleur cage with oversize rollers for Shimano Dura-Ace Di2 12V and Ultegra Di2 12V.With the OSPW RS ALPHA for Shimano Road groupsets, OSPW looks to the future with a resolutely modern, angular design. This new design brings balance and refinement to the OSPW system, allowing it to blend perfectly with contemporary trends in bike and groupset design – the whole of which the OSPW system is a part.With an added level of customisation (multiple logo and pulley wheel options) combined with innovative new technological features, the OSPW RS meets consumer demands for personal expression and a premium riding experience.Features: Compatible: road / tri. Lifetime warranty. Low maintenance. Very low coefficient of friction. Patented bearing protection. Redesigned and reinforced cage. Composite tooth profile reduces chain noise and increases durability.