CeramicSpeed OSPW RS Pulley Wheel System for Shimano 105 7150 – Aluminum Pulley 5 Spoke Carbon Cage Black. CeramicSpeeds OSPW RS for Shimano Road 105 R7150 has been lifted with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW RS System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets – making up the whole of which the OSPW System is part. Innovative tech features of the OSPW RS meets consumer demands for a premium ride experience. The design for the OSPW RS isnt solely a visual update. The cage itself has been reinforced to offer new levels of strength and durability. The CeramicSpeed OSPW RS System continues the tradition of providing optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.

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