RD-RX815
SHIMANO GRX - DI2 - Rear Derailleur - SHIMANO SHADOW RD+ - 34T 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-RX815 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. and is compatible with road cassettes with a 34T low sprocket max.
• Silent and uninterrupted rear shifting on rough terrain
  Adjustable chain stabilizer prevents chain slapping and drops
  SHIMANO SHADOW RD+
• 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
• Maximum front difference: 17T
•  Top sprocket: Max. 11T/Min. 11T
•  Low sprocket: Max. 34T/Min. 30T
• Total capacity: 38T
RD-RX817
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.
•  Silent and uninterrupted rear shifting on rough terrain
  Adjustable chain stabilizer prevents chain slapping and drops
  SHIMANO SHADOW RD+
•  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
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 PRODUCT SPECIFICATIONS |
||
|
 MODEL NO |
RD-RX815 |
RD-RX817 |
|
 SERIES |
GRX DI2 |
GRX DI2 |
|
 Color |
Series color |
Series color |
|
 Average weight |
287 |
318 |
|
 Mount_Direct attachment |
✔ |
✔ |
|
 Firmware update by E-TUBE PROJECT |
✔ |
✔ |
|
 Total capacity |
38T |
31T |
|
 B-axle_Hollow axle |
✔ |
✔ |
|
 Sealed bearing guide pulley |
✔ |
✔ |
|
 Sealed bearing tension pulley |
✔ |
✔ |
|
 Mount_Direct mount compatible |
✔ |
✔ |
|
 Fluoric coated link bushings |
4 |
4 |
|
 Low sprocket_Max. |
34T |
42T |
|
 Low sprocket_Min. |
30T |
40T |
|
 Max. front difference |
17T |
NA |
|
 Pulley_G pulley bearing |
Sealed bearing |
Sealed bearing |
|
 Pulley_Teeth |
13T |
11T |
|
 Pulley_T pulley bearing |
Sealed bearing |
Sealed bearing |
|
 Top-normal spring type_SHIMANO  SHADOW RD+ |
✔ |
✔ |
|
 Top sprocket_Max. |
11T |
11T |
|
 Top sprocket_Min. |
11T |
11T |
|
 Rear speeds |
11 |
11 |
|
 Di2 connectivity wired_Di2 shifting |
✔ |
✔ |
|
 Pulley |
13T |
11T |
|
 SD300 connector (pcs) |
0 |
0 |
|
 SD300 port (pcs) |
0 |
0 |
|
 SD50 connector (pcs) |
0 |
0 |
|
 SD50 port (pcs) |
1 |
1 |
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