CeramicSpeed OSPW Pulley Wheel Aero Alpha System Shimano 9250/8150 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=00.4118.026.000 Hardware is all stainless steel

Hardware is all stainless steel and pre-installed for hassle free mounting

Built on a stable

Diameter 700C Front/Rear or Set Front ID Width (mm) 22 Axle Size Thru 12mm Rim Color Blk Rim Model E1800 Spline Hub Model 370 Hub Spacing 100 Hub Color Blk Gears Brake Type CL Spoke Type DT Aero II SP Spoke Count 24H Wall Dbl Valve Type PV

Fully sealed - Inboard full contact lip-seal

CeramicSpeed OSPW Pulley Wheel Aero Alpha System Shimano 9250/8150 - Coated Races Aluminum Pulley Carbon Cage BLK MFPN=00.4118.026.000 Hardware is all stainless steelThe CeramicSpeed OSPW Aero ALPHA system for Shimano 9250 8150 derailleurs updates the fastest proven aero derailleur cage to include CeramicSpeed's patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys. Furthermore a speed defying pinstripe graphic has been added for a splash of visual motion. Largest Cog 34 Fits Model Ultegra 8150 Fits Brand Shimano Drivetrain Speeds 12 Defined Color Black