absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium CheckoutTitle=Token Ninja TF46386 Press Fit Double-Thread Bottom Bracket - PF30 Stroke (mm) 45 Lockout Switch

Stroke (mm) 45 Lockout Switch Remote Eyelet Diameter (mm) Trunnion 12

26mm internal width WideRight for 2

Drive and non-drive side guards included

}Wolf Tooth 1x Chainring Bolt Set - 6mm Dual Hex Fittings Set/4 Purple

}Chris King ThreadFit 24 Bottom Bracket with Fit Kit 4 - English For Shimano Hollowtech II Matte Jet

absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Dura-Ace 9250 Full Ceramic Bearings Carbon Cage Titanium CheckoutTitle=Token Ninja TF46386 Press Fit Double-Thread Bottom Bracket - PF30 Stroke (mm) 45 Lockout SwitchabsoluteBLACK 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