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Description
Ultimate Efficiency
The CeramicSpeed OSPW Aero ALPHA system for Shimano 9250/8150 derailleurs updates the fastest proven aero derailleur cage to include their patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys.
The OSPW Aero ALPHA cages have been updated to accommodate the ADR equipped ALPHA disc pulleys.
It is not possible to add these pulleys to a previous generation OSPW Aero cage.
Features:
- Reduces aerodynamic drag on the rear derailleur by up to 60%
- Reduces friction by 35-40% over stock pulley configuration
- Structural aerodynamic cage design
- Pulleys, cages, and bearings all produced and assembled by hand in Denmark
- ALPHA Disc pulleys with composite teeth for quiet performance and ADR bearing protection
- Net weight: 111.0 g
- Gross Weight: 294 g
- Pulley Material: Aluminum
- Derailleur Brand: Shimano
- Derailleur Model: Dura Ace RD-9250 and Ultegra RD-8150
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
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Specifications
Mfg PartNum: 113805 | |
Discipline: Road | |
Speed: 12 | |
Small Parts: Pulley Cages |
