# Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK

The Shimano BR-RS811-R under bottom bracket mount road brake caliper provides an exceptional balance of rigidity weight and stopping power. Features a sleek and integrated low-profile design that is compatible with 20.8 - 28mm wide rims and up to 28C sized tires.-   Exceptional balance of rigidity weight and stopping power
-   Sleek and integrated low-profile caliper design
-   Compatible with 20.8 - 28mm wide rims and up to 28C sized tires
-   Includes R55C4 cartridge type pads
-   Requires inline cable adjuster (SM-CB90) for cable adjusting and quick release feature (sold separately)
    
    Brake Lever Actuation
    
    Short Pull Super SLR
    
    Pad Type
    
    Cartridge
    
    Brake Position
    
    Rear
    
    Brake Mount Type
    
    Direct Mount Road Caliper
    
    Defined Color
    
    Black

## Details

- **Price:** 105.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Disc Brake Calipers
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 105.00 USD | In stock |

## Images

- Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-ultegra-br-rs811-r-road-caliper-brake-rear-under-bottom-bracket-direct-mount-blk)
> Updated: 2026-07-22