# Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x

GRX RD-RX815 Di2 Rear Derailleur-   Operates with Shimano Di2 for digital electronic shifting
-   Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
    
    Largest Cog
    
    42
    
    Color
    
    Black
    
    Rear Der/Shifter Compatibility
    
    Shimano Road Di2
    
    Rear Derailleur Mount Type
    
    Shimano Rear Direct Mount
    
    Drivetrain Speeds
    
    11
    
    Weight
    
    318
    
    Chain Wrap Capacity (teeth)
    
    31
    
    Cage Length
    
    Long
    
    Supported Configurations
    
    1X

## Details

- **Price:** 400.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Rear Derailleurs
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 400.00 USD | In stock |

## Images

- Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-grx-rd-rx817-rear-derailleur-11-speed-long-cage-blk-with-clutch-di2-for-1x)
> Updated: 2026-07-22