The CeramicSpeed OSPW Aero ALPHA system for Shimano 9250/8150 derailleurs updates the fastest proven aero derailleur cage to include our patent pending ADR bearing protection and quiet performing ALPHA disc with composite tooth profile pulleys. Furthermore, a speed defying pinstripe graphic has been added for a splash of visual motion. 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 gereration 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
– ALPHA Disc pulleys with composite teeth for quiet performance and ADR bearing protection
Specifications:
– Pulley Material: Aluminium
– Derailleur Brand: Shimano
– Derailleur Model: Dura Ace RD-9250 and Ultegra RD-8150
In the box:
– Complete OSPW Aero ALPHA for Shimano 9250/8150 system
Color: Black
Product Type: Boxes
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