CeramicSpeed OSPW Pulley Wheel System for Shimano 9100/8000 Series - Coated Races 3D Printed Titanium Pulley Carbon Cage Ti. The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its ex
CeramicSpeed OSPW Pulley Wheel System for Shimano 9100/8000 Series – Coated Races 3D Printed Titanium Pulley Carbon Cage Ti. The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.
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