-30%
Shimano GRX Di2 electronic groupset's rear derailleur, designed for gravel biking needs and challenging road terrains. With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.
| SPEED: | 11 speed |
| GROUPSET: | Shimano GRX Di2 |
| Weight: | 0.318 kg |
