Description
SHIMANO GRX – DI2 – Rear Derailleur – SHIMANO SHADOW RD+ – 42T max low sprocket – 11-speed
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 and ON/OFF switch for the chain tensioner. The RD-RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with mtb cassettes with a 42T low sprocket max.
FEATURES
- Silent and uninterrupted rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slapping and drops
- SHIMANO SHADOW RD+
- Adjustable chain stabilizer prevents chain slapping and drops
- Smooth and reliable mixed surface shifting
- Switch stabilizer ON/OFF to match the terrain
- Gravel-tuned clutch tension
- Compatible with current road DUAL CONTROL LEVER
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 42T/Min. 40T
- Total capacity: 31T
PRODUCT SPECIFICATIONS
| MODEL NO | RD-RX817 |
|---|---|
| SERIES | GRX DI2 |
| Color | Series color |
| Average weight | 318 |
| Rear speeds | 11 |
|---|---|
| Top-normal spring type|SHIMANO SHADOW RD+ | ✔ |
| Mount|Direct attachment (conventional) | ✔ |
| Mount|Direct mount | ✔ |
| Total capacity | 31T |
| Low sprocket|Max. | 42T |
| Low sprocket|Min. | 40T |
| Top sprocket|Max. | 11T |
| Top sprocket|Min. | 11T |
| Fluoric coated link bushings | 4 |
| Pulley|Guide pulley bearing | Sealed bearing |
| Pulley|Tension pulley bearing | Sealed bearing |
| Pulley|Teeth | 11T |
| B-axle|Hollow axle | ✔ |
| Di2 connectivity wired|Di2 shifting | ✔ |
| Firmware update by E-TUBE PROJECT | ✔ |
| SD50 port (pcs) | 1 |
| SD300 port (pcs) | 0 |
| SD50 connector (pcs) | 0 |
| SD300 connector (pcs) | 0 |
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