CeramicSpeed ALPHA PW derailleur pulleys for Shimano R9150
CeramicSpeed ALPHA PW pulley wheels for Shimano R9150 represent a compact and extremely durable upgrade for the Shimano Dura-Ace R9150 rear derailleur. They combine a one-piece composite body with low-friction CeramicSpeed ceramic bearings and patented ADR technology, delivering smooth shifting, high efficiency, and long lifespan for both road and off-road use. The specifically shaped upper and lower pulley wheels ensure precise chain guidance, quiet operation, and stable performance under load. Stainless steel bearing covers designed for derailleurs provide enhanced bearing protection and eliminate the need for additional spacers. Each pulley wheel features a prominent ADR logo, visually connecting the entire ALPHA PW range and highlighting bearing protection. The pulley wheels are designed, developed, and hand-assembled in Denmark, offering top-tier performance without compromise.
- Full compatibility with Shimano Dura-Ace R9150 rear derailleur
- One-piece molded composite pulley wheel body
- Low-friction CeramicSpeed ceramic bearings
- Patented ADR technology for enhanced bearing protection
- Specifically shaped upper and lower pulley wheels for precise chain guidance and quiet operation
- Stainless steel, derailleur-specific bearing covers with no need for additional spacers
- Suitable for both road and off-road cycling
- Developed, designed, and hand-assembled in Denmark
- Package includes ALPHA PW pulley wheel set and UFO TECH Pulley Wheel Oil 15 ml
| Groupset | Shimano Dura-Ace |
| product ID | 409511 |
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