CeramicSpeed OSPW Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage Red. 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 9100/9150 and 8000 SS/8050 SS – Coated Races Alloy Pulley Carbon Cage Red. 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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