2025 Ceramic Speed OSPW Aero Alpha for Shimano 9250/8150 image

2025 Ceramic Speed OSPW Aero Alpha for Shimano 9250/8150

Ceramic Speed
Availability:
Most in stock items ship within 1-3 business days. Inventory updates frequently and may not reflect real-time stock. If your item is not available we will contact you and issue a prompt refund.
₽61,820.99
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Weight:
2.00 LBS
Width:
10.00 (in)
Height:
10.00 (in)
Depth:
8.00 (in)
Current Stock:
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Description

The Ceramic Speed 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.

In the box:

  • Complete OSPW Aero ALPHA for Shimano 9250/8150 system

Product Highlights

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

Click for Compatibility Matrix

Click for Installation Guide

Additional Information
Discipline:
Road and Tri
SKU:
113805
Net weight:
111.0 g
Gross Weight:
294 g
Pulley Material:
Aluminium
Derailleur Brand:
Shimano
Derailleur Model:
Dura Ace RD-9250 and Ultegra RD-8150