Inventory & Shipping
Description
CeramicSpeed OSPW Pulley Wheel Aero System for Shimano 9100/9150 and 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage Black. CeramicSpeed's OSPW Aero system has been developed in close collaboration with one of the world's leading aerodynamicists. The development process behind the OSPW Aero spanned over two years where extensive wind tunnel testing influenced multiple design iterations. The end result is an entirely new cage structure wrapped around our existing mechanically optimized design.Locally reduces drag by an average of 40% compared to stock derailleurs
Developed in coordination with Drag2Zero
Refines aerodynamics by focusing on frontal area impact as well as smoothing and controlling the trailing wind
Features 13-tooth upper and 19-tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls
Robust cage crafted from polyamide and carbon fiber for durability and light weight
Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
Only compatible with Dura Ace 9100/9150 and Ultegra 8000-SS/8050-SS
Not compatible with Ultegra 8000-GS or 8050-GS (medium cage) nor with the clutch equipped Ultegra RD RX800/RX805
CeramicSpeed products with coated bearings include a lifetime warranty
- TECH SPECS
Defined Color | Black |
Drivetrain Speeds | 11 |
Fits Brand | Shimano |
Fits Model | Dura-Ace 9100 |
Fits Model | Dura-Ace R9150 |
Fits Model | Ultegra R8000-SS |
Fits Model | Ultegra R8050-SS/GS |
Largest Cog | 32 |
Shifter/Derailleur Compatibility | Shimano |
keyword search | OSPWS Aero |
Item Specific Details
UPC: 5711050102952
Manufacturer Part #: 110908
Model: OSPW Aero System for Shimano 9100 and 8000
Alloy Pulley
Black
Carbon Cage
Riders also like
Recently viewed

Why Buy From Us?
We offer a fantastic selection of curated cycling products with actual riders behind the scenes ready to help in times of need. We have worked tirelessly to adjust to our changing world to ensure the next time you're in need of a part, we get it to you in an efficient manner. And of course, who doesn't love our Dirt Perks member benefits?