CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9200/9250 8100/8150 - Coated Races Alloy Pulley Carbon Cage BLK Manufacturer Number-11.4018.111.041 Push all the way to GL00521

CeramicSpeed OSPW Pulley Wheel Aero System Shimano 9200 9250 8100 8150 Coated Races Alloy Pulley Carbon Cage BLK Manufacturer Number 11.4018.111.041 Push all the way to GL00521 Push all the way to the finish line in comfort and style with the Hyper RPS Ski Boot Basket System:TBS CeramicSpeed products with coated bearings include a lifetime warranty Defined Color Black Drivetrain Speeds 12 Fits Brand Shimano Fits Model Ultegra 8100 Series Largest Cog 34 Shifter Derailleur Compatibility Shimano keyword search OSPWS Aero Refines aerodynamics by focusing on frontal area impact as well as smoothing and controlling the trailing wind