CeramicSpeed OSPW Pulley Wheel Aero Alpha System Shimano 9250/8150 - Coated Races Aluminum Pulley Carbon Cage BLK CheckoutTitle=RockShox Lower Leg - Sid Ult B4 Color Translucent Red Primary Color Weight-653

CeramicSpeed OSPW Pulley Wheel Aero Alpha System Shimano 9250 8150 Coated Races Aluminum Pulley Carbon Cage BLK CheckoutTitle=RockShox Lower Leg Sid Ult B4 Color Translucent Red Primary Color Weight 653 Color Translucent Red Primary Color Red Frame Size 20 Wheel Diameter 20 2 2 Bench Mount Stand with 100 3D Largest Cog 34 Fits Model Ultegra 8150 Fits Brand Shimano Drivetrain Speeds 12 Defined Color Black The 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