The Shimano Ultegra BR-RS811-R Direct Mount Brake delivers the perfect balance of stopping power and aerodynamic efficiency.
Mounted under the bottom bracket, this calliper minimises wind resistance without compromising braking performance. Engineered for road cyclists who demand both speed and control, it offers responsive modulation and reliable stopping force in all conditions. The direct mount design reduces weight and clutter whilst maintaining the precision you expect from Ultegra-level components. Ideal for competitive cycling where every advantage counts.
Features
- More predictable, linear braking curve
- Rear - Direct Mount Chain Stay (Bottom Bracket)
- Narrower gap between arms
- Clear contact feeling with balanced rigidity, weight and stopping power
- Sleek design
- Wider clearance with larger tire sizes
- Compatible with 28C tire size
- SLR-EV technology
Specification
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Use: Road, Triathlon
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Group: Ultegra R8100
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Model: BR-RS811-R
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Type: Rear - Direct Mount Chain Stay (Bottem Bracket)
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Assembly pivot nut: Direct Mount
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Brake shoe: R55C4 (standard for aluminum rim)
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Reach: 51mm
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Technology: SLR-EV
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Rim width: 20.8-28mm
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Maximum tire size: 28mm
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Reference brake lever: ST-R8150
Material
Colour
Contents
- 1 x Shimano Ultegra BR-RS811 Direct-Mount Brake Caliper Rear
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
