absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium CheckoutSpec= MAX-Design you can mix and match

you can mix and match your headset purchase to best meet your needs

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

Recessed half waffle design for added control without hot spots

King Can is a higher volume air can with internally adjustable air volume

absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium CheckoutSpec= MAX-Design you can mix and matchabsoluteBLACK 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