CeramicSpeed OSPW Pulley Wheel System Shimano 9000/6800 Series - Alloy Pulley Carbon Cage BLK CheckoutSpec= 75 mm Model 2021 38 Description Top

Model 2021 38 Description Top Cap Assembly

Vision Mini Clip-On BarsDesigned for uphill time trials and draft legal triathlons (ITU approved)

9mm max dimension is controlled by the Shimano spec

Fischer has two strips of mohair which are offset front and back so there is less resistance towards the ends of the kick zone

CeramicSpeed OSPW Pulley Wheel System Shimano 9000/6800 Series - Alloy Pulley Carbon Cage BLK CheckoutSpec= 75 mm Model 2021 38 Description TopThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features two oversized 17 tooth aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light weight Defined Color Black Drivetrain Speeds 10 Fits Brand Shimano Fits Model Dura Ace 7900 7970