CeramicSpeed OSPW Pulley Wheel System Shimano 9100/8000 Series - Coated Races 3D Printed Titanium Pulley Carbon Cage Ti MFPN=TTSXXXXNSPRULS }Surly Stainless Steel Ring 36t

}Surly Stainless Steel Ring 36t x 94mm

Hollow forged AL7050 crank arms

Compatible with FSA Modular crankset (Gossamer/Energy/SL-K/ K-FORCE)

Flange No Color Black/Gray Length 130 Defined Color Black Grip Shift Specific No Shape Ergo Weight 315 Lock On Yes

Armrest Stack: 40mm

CeramicSpeed OSPW Pulley Wheel System Shimano 9100/8000 Series - Coated Races 3D Printed Titanium Pulley Carbon Cage Ti MFPN=TTSXXXXNSPRULS }Surly Stainless Steel Ring 36tCeramicSpeed OSPW Pulley Wheel System for Shimano 9100 8000 Series Coated Races 3D Printed Titanium Pulley Carbon Cage Ti. 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. TECH SPECS Defined Color Silver Drivetrain Speeds 11 Fits Brand Shimano Fits Model Ultegra R8000 SS Fits Model Ultegra R8050 SS GS Fits Model