CeramicSpeed OSPW Pulley Wheel System Shimano 9100/9150 8000 SS/8050 SS - Alloy Pulley Carbon Cage Red CheckoutTitle=Continental Top Contact Winter II Premium Tire - 700 x 42 60 D: BB Length (CM)

60 D: BB Length (CM) 10

Double stitched heel and toe for added strength and durability

4mm color Burgtec Bullion Gold

Center mount brakes of years past with a modern twist

CeramicSpeed OSPW Pulley Wheel System Shimano 9100/9150 8000 SS/8050 SS - Alloy Pulley Carbon Cage Red CheckoutTitle=Continental Top Contact Winter II Premium Tire - 700 x 42 60 D: BB Length (CM)CeramicSpeed OSPW Pulley Wheel System for Shimano 9100 9150 and 8000 SS 8050 SS Alloy Pulley Carbon Cage Red. 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 Red Drivetrain Speeds 11 Fits Brand Shimano Fits Model Ultegra R8000 SS Fits Model Ultegra R8050 SS GS Fits Model Dura Ace R9100