absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium Manufacturer Spec ERD (mm)-388 }Shimano Nexus SG3C41 Internal Assembly

}Shimano Nexus SG3C41 Internal Assembly

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Fast rolling center knobs tightly spaced in a consistent pattern the center tread cuts down on rolling resistance while still digging into any terrain for dependable out-of-the-saddle traction

Over tightening can cause internal fractures and fatigue of carbon fiber parts

0 Length 246 Spoke Interface J-Bend Defined Color Silver

absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium Manufacturer Spec ERD (mm)-388 }Shimano Nexus SG3C41 Internal AssemblyabsoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage For Shimano Dura Ace 9250 Full Ceramic Bearings Carbon Cage Titanium. The absoluteBLACKs HOLLOWcage for Shimano Dura Ace 9250 12 speed derailleurs makes the 9250 drivetrain whisper quiet. It features a carbon polymer mono plate construction with bespoke oversized full ceramic bearings and one of the most advanced silencing pulleys ever made. Designed for use with Shimano Dura Ace 9250