# CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12  - 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 a 14-tooth upper and 18-tooth lower aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur
-   Robust cage crafted from polyamide and carbon fiber for durability and light weight
-   Compact cage design allows the use of the same length chain as stock pulleys
-   Two spring tension settings allow customized setup based on ride conditions
-   Only compatible with 1X specific derailleurs - XTR M9100-SGS/GS and Shimano XT M8100-SGS
    
    Defined Color
    
    Black
    
    Drivetrain Speeds
    
    12
    
    Fits Brand
    
    Shimano
    
    Fits Model
    
    XTR M9100
    
    Largest Cog
    
    51
    
    keyword search
    
    OSPWS

## Details

- **Price:** 629.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Cage Assembly
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 629.00 USD | In stock |

## Images

- CeramicSpeed OSPW X Pulley Wheel System Shimano XT/XTR 1x12  - Alloy Pulley Carbon Cage BLK

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/ceramicspeed-ospw-x-pulley-wheel-system-shimano-xt-xtr-1x12-alloy-pulley-carbon-cage-blk)
> Updated: 2026-07-22