Description
With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.
For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. It is compatible with mtb cassettes with a 42T low sprocket max.
Specifications
| Average weight | 318 g |
|---|---|
| Direct attachment | _ |
| E-tube connector (pcs) | 0 |
| E-tube port (pcs) | 1 |
| Firmware update by E-TUBE Project | _ |
| Fluoric coated link bushings | 4 |
| Low sprocket_Max. | 42T |
| Low sprocket_Min. | 40T |
| Rear speeds | 11 |
| Sealed bearing guide pulley | _ |
| Sealed bearing tension pulley | _ |
| Top-Normal Spring Type | SHADOW RD+ |
| Top sprocket_Max. | 11T |
| Top sprocket_Min. | 11T |
| Total capacity | 31T |
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