CeramicSpeed OSPW RS Alpha Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 - ALPHA Aluminum Pulley, Carbon Cage, Black EA Cage Assembly

113490 CeramicSpeed OSPW RS Alpha Pulley Wheel System for Shimano Dura-Ace 9250/Ultegra 8150 - ALPHA Aluminum Pulley, Carbon Cage, Black Cage Assembly EA Largest Cog 36 Fits Model Dura-Ace R9250 Fits Model Ultegra 8150 Fits Brand Shimano Drivetrain Speeds 12 Defined Color Black