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General| Series | GRX |
|---|---|
| Model | RD-RX815 |
| Cage Length | Medium |
| Max Sprocket Size | 42T |
| Min Sprocket Size | 11T |
| Low sprocket_Max. | 42T |
| Low sprocket_Min. | 11T |
| Top sprocket_Max. | 42T |
| Top sprocket_Min. | 11T |
| Max. front difference | 17T |
| Di2 connectivity | Yes |
| Firmware update by E-TUBE PROJECT | Yes |
| SD5 port (pcs) | 1 |
| SD3 port (pcs) | 0 |
| E-tube port (pcs) | 1 |
| E-tube connector (pcs) | 1 |
| Actuation Ratio | 1.4 |
| Mounting Type | Direct Mount |
| Compatibility | Shimano 11-speed |
| Material | Aluminum |
| Compatible chain | HG-X11 |
| Pulley_Teeth | 13T |
Explains the system's gear position control functionality.
Detailed steps for adjusting the rear derailleur.
Detailed steps for adjusting the front derailleur.
Overview of E-TUBE PROJECT for settings and firmware updates.
Configuration of synchronized and semi-synchronized shift modes.
Procedures for maintaining brake pads, mineral oil, and hoses.
