- Silent, seamless shifting on rough terrain
- Adjustable chain stabilizer that prevents loosening and loosening of the chain
- SHIMANO SHADOW RD+
- Smooth and reliable shifting on mixed surfaces
- Change the ON/OFF position of the stabilizer to adapt to the terrain
- Clutch tension adjusted for gravel
- Compatible with the current DUAL CONTROL road lever
- Upper sprocket: Max. 11D/min. 11D
- Lower Sprocket: Max. 42D/min. 40D
- Total capacity: 31D
Rear derailleur GRX Di2 RD-RX817
354.99 €
With an integrated chain stabilizing mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting safety and precision on mixed terrain. For smooth surfaces, the derailleur has an ON/OFF switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of electronic shifting and SHIMANO synchronized shifting and is compatible with mtb cassettes with a max. 42D.
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