absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium CheckoutSpec= MAX-Design }SRAM PC-971 Chain - 9-Speed

}SRAM PC-971 Chain - 9-Speed 114 Links Silver/Gray

Recessed half waffle design for added control without hot spots

Building on Hope’s 30+ years of manufacturing hubs the Pro 5 is the combination of all their experience into a product that meets and exceed the demands of current and future bike technology

2-pc design provides increased rigidity with less weight

absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium CheckoutSpec= MAX-Design }SRAM PC-971 Chain - 9-SpeedabsoluteBLACK 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