Description
Shimano GRX RD-RX812
The Shimano GRX RD-RX812 is an 11-speed rear derailleur specifically designed for gravel and mixed-terrain cycling, optimised for 1×11 drivetrain setups.
It incorporates advanced features to ensure reliable and smooth shifting across varied terrains.
Enhanced Chain Stability
The adjustable chain stabiliser ensures consistent chain tension, reducing the likelihood of chain drops and providing a smoother riding experience on uneven terrain.
Versatile Performance
Designed to handle the demands of gravel riding, the RD-RX812 offers reliable shifting performance across a wide range of conditions.
Durable Construction
Built with robust materials and incorporating Shimano’s proven technologies, this derailleur is engineered for longevity and consistent performance.
Specifications
- Drivetrain Compatibility: 1×11-speed systems
- Maximum Low Sprocket: 42 teeth
- Minimum Low Sprocket: 40 teeth
- Maximum Top Sprocket: 11 teeth
- Minimum Top Sprocket: 11 teeth
- Total Capacity: 31 teeth
- Mounting Type: Direct attachment (conventional) and direct mount compatible
  Weight: Approximately 267 grams
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