# CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK

The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.-   Features 13-tooth upper and 19-tooth lower Cerakote coated aluminum pulley wheels with Grade 3 Silicon Nitride balls
-   Robust cage crafted from polyamide and carbon fiber for durability and light weight
-   Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
-   Four spring tension settings allow customized setup based on ride conditions
-   Only compatible with the ‘2X-specific’ GRX 810 GRX 815 as well as the RX800 and RX805 derailleurs
-   Cassette compatibility up to 11-36t
-   CeramicSpeed products with coated bearings include a lifetime warranty
    
    Largest Cog
    
    36
    
    Fits Model
    
    Ultegra RX 805
    
    Fits Brand
    
    Shimano
    
    Drivetrain Speeds
    
    11
    
    Defined Color
    
    Black
    
    keyword search
    
    OSPWS
    
    Color
    
    Black

## Details

- **Price:** 734.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Cage Assembly
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 734.00 USD | In stock |

## Images

- CeramicSpeed OSPW X Pulley Wheel System Shimano GRX/RX 2x11 - Coated Races Alloy Pulley Carbon Cage BLK

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/ceramicspeed-ospw-x-pulley-wheel-system-shimano-grx-rx-2x11-coated-races-alloy-pulley-carbon-cage-blk)
> Updated: 2026-07-22