Shimano GRX RD-RX400 Rear Derailleur 36T Max (for 10-speed)
SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 10-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.
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 10s road DUAL CONTROL LEVER
- Wide range front gearing
- Maximum front T difference: 16T
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 36T/Min. 32T
- Total capacity: 41T
PRODUCT SPECIFICATIONS
| MODEL NO | RD-RX400 |
|---|---|
| SERIES | GRX 10-speed |
| Color | Series color |
| Average weight | 303 |
| Rear speeds | 10 |
|---|---|
| Compatible chain | HG-X 10-speed |
| Top-normal spring type|SHIMANO SHADOW RD+ | ✔ |
| Mount|Direct attachment (conventional) | ✔ |
| Mount|Direct mount | ✔ |
| Cable adjuster | ✔ |
| Max. front difference | 16T |
| Total capacity | 41T |
| Low sprocket|Max. | 36T |
| Low sprocket|Min. | 32T |
| Top sprocket|Max. | 11T |
| Top sprocket|Min. | 11T |
| Fluoric coated link bushings | 4 |
| Pulley|Teeth | 11T |
| Pulley|Sunken type pulley screw | ✔ |
| B-axle|Hollow axle | ✔ |
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Shimano GRX RD-RX400 Rear Derailleur 36T Max (for 10-speed)
Shimano GRX RD-RX400 Rear Derailleur 36T Max (for 10-speed)
SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 10-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.
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 10s road DUAL CONTROL LEVER
- Wide range front gearing
- Maximum front T difference: 16T
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 36T/Min. 32T
- Total capacity: 41T
PRODUCT SPECIFICATIONS
| MODEL NO | RD-RX400 |
|---|---|
| SERIES | GRX 10-speed |
| Color | Series color |
| Average weight | 303 |
| Rear speeds | 10 |
|---|---|
| Compatible chain | HG-X 10-speed |
| Top-normal spring type|SHIMANO SHADOW RD+ | ✔ |
| Mount|Direct attachment (conventional) | ✔ |
| Mount|Direct mount | ✔ |
| Cable adjuster | ✔ |
| Max. front difference | 16T |
| Total capacity | 41T |
| Low sprocket|Max. | 36T |
| Low sprocket|Min. | 32T |
| Top sprocket|Max. | 11T |
| Top sprocket|Min. | 11T |
| Fluoric coated link bushings | 4 |
| Pulley|Teeth | 11T |
| Pulley|Sunken type pulley screw | ✔ |
| B-axle|Hollow axle | ✔ |
Original: $70.45
-65%$70.45
$24.66Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 10-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.
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 10s road DUAL CONTROL LEVER
- Wide range front gearing
- Maximum front T difference: 16T
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 36T/Min. 32T
- Total capacity: 41T
PRODUCT SPECIFICATIONS
| MODEL NO | RD-RX400 |
|---|---|
| SERIES | GRX 10-speed |
| Color | Series color |
| Average weight | 303 |
| Rear speeds | 10 |
|---|---|
| Compatible chain | HG-X 10-speed |
| Top-normal spring type|SHIMANO SHADOW RD+ | ✔ |
| Mount|Direct attachment (conventional) | ✔ |
| Mount|Direct mount | ✔ |
| Cable adjuster | ✔ |
| Max. front difference | 16T |
| Total capacity | 41T |
| Low sprocket|Max. | 36T |
| Low sprocket|Min. | 32T |
| Top sprocket|Max. | 11T |
| Top sprocket|Min. | 11T |
| Fluoric coated link bushings | 4 |
| Pulley|Teeth | 11T |
| Pulley|Sunken type pulley screw | ✔ |
| B-axle|Hollow axle | ✔ |













