Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world
RD-RX817: SHIMANO GRX DI2 Rear Derailleur - SHIMANO SHADOW RD+ - 42T Maximum Low Sprocket - 11-Speed
The SHIMANO GRX derailleur, featuring an integrated chain stabilizer mechanism, offers a quieter and more secure shifting experience on mixed terrain. A switchable ON/OFF chain tensioner allows for seamless shifting on both smooth and rough surfaces. The RD-RX817 DI2 version takes advantage of SHIMANO's electronic shifting technology, providing precise and synchronized shifting. It is compatible with mtb cassettes with a maximum low sprocket of 42T.
Features:
- Silent and uninterrupted rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slapping and drops
- SHIMANO SHADOW RD+ technology for smooth and reliable shifting
- Switchable stabilizer ON/OFF for optimal performance on various terrain
- Gravel-tuned clutch tension for optimal performance
- Compatible with current road DUAL CONTROL LEVER
- Top sprocket: Maximum 11T, Minimum 11T
- Low sprocket: Maximum 42T, Minimum 40T
Specifications:
-Model Number: RD-RX817
-Series: GRX DI2
-Color: Series color
-Weight: 318 grams (average)
-Rear Speeds: 11-speed
-SHIMANO SHADOW RD-
-Mounting Options: - Direct attachment (conventional) - direct mount
-Total Capacity: 31T
-Low Sprocket: - Maximum 42T - Minimum 40T
-Top Sprocket: - Maximum 11T - Minimum 11T
-Fluoric Coated Link Bushings: 4
-Pulley Bearings: - Sealed bearings for the guide, tension, and teeth pulleys
-B-Axle: - Hollow axle
-Di2 Connectivity: - Wired Di2 shifting and firmware update by E-TUBE PROJECT
-Ports and Connectors:
- SD50 port: 1 piece -