The Shimano GRX BL-RX812 sub disc brake lever mounts on your upper handlebar link, integrating seamlessly into your closed hydraulic brake system.
This innovative secondary lever gives you an extra braking option exactly when you need it—perfect for gravel and adventure riding where terrain changes demand quick control adjustments. Brake safely and comfortably without removing your hands from the bar, even in challenging situations. Left-hand version.
Features
- Quickly brake when riding upright
- More confident and accessible braking from multiple positions
- Less fatigue on long tours
Specification
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Use: Gravel, Road, Cyclocross
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Group: GRX
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Model: BL-RX812 (front)
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Brake type: Hydraulic Disc-Brake
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Brake lever: BL-RX812
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Lever length: 1-Finger
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Mount: left
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Clamp band: Yes
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Reach adjustment: Yes, with tool
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Hose joint: Straight
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Brake fluid: Mineral oil
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Recommended Brake hose: SM-BH90-JK-SSR
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Recommended brake caliper: BR-RX810 / BR-RX400
Material
Weight
Contents
- 1 x Shimano Sub Brake Lever GRX BL-RX812 left
- 1 x Brake hose SM-BH90
- 3 x Tube Joint Kit (Olive & Insert pin)
- 2 x Connecting screw M8
- 2 x Cover
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.
