OSPW Aero ALPHA Carbon 12 Speed ​​Shifter Cage. Sh. DA9200+ULT8100 - Black

The CeramicSpeed ​​OSPW Aero ALPHA system for Shimano 9250/8150 derailleurs updates the fastest and most proven aero derailleur cage on the market.

Here's what's new:

• ADR (patent pending) bearing protection for increased durability and performance.
• Silent ALPHA pulleys with composite tooth profile for even smoother gear changes.
• Speed-defying striped graphics for a touch of aggressive style.

The OSPW Aero ALPHA cages have been updated to be compatible with the new ALPHA disc pulleys equipped with ADR.

Please note: These pulleys cannot be installed on a previous generation OSPW Aero cage.

Technical features:

• Pulley material: Aluminium
• Derailleur brand: Shimano
• Derailleur Model: Dura Ace RD-9250 and Ultegra RD-8150