- Description
 - Adjustable chain stabilizer prevents chain slapping and drops
 - Toggle clutch ON/OFF to match the terrain
 - Switch stabilizer ON/OFF to match the terrain
 - Gravel-tuned clutch tension
 - Silent and uninterrupted rear shifting on rough terrain
 - Low sprocket: Max. 34T/Min. 30T
 - Total capacity: 40T
 - Smooth and reliable mixed surface shifting
 - Compatible with current road DUAL CONTROL LEVER
 - Maximum front difference: 17T
 - Top sprocket: Max. 11T/Min. 11T
 - Frequently Asked Questions
 - Delivery & Returns
 
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-RX810 rear derailleur is compatible with road cassettes with a 34T low sprocket max.
FEATURE
BENEFIT
PRODUCT SPECIFICATIONS
| MODEL NO | RD-RX810 | 
|---|---|
| SERIES | SHIMANO GRX 11-speed | 
| Color | Series color | 
| Average weight | 255 g | 
| B-Axle_Hollow axle | ✔ | 
|---|---|
| Cable adjuster | ✔ | 
| Compatible chain | HG-EV 11-speed/HG-X11 | 
| Direct attachment (Conventional) | ✔ | 
| Fluoric coated link bushings | 4 | 
| Low sprocket_Max. | 34T | 
| Low sprocket_Min. | 30T | 
| Max. front difference | 17T | 
| Pulley_G pulley bearing | ✔ | 
| Pulley_Sunken type pulley bolt | ✔ | 
| Pulley_Teeth | 13T | 
| Pulley_T pulley bearing | ✔ | 
| Rear speeds | 11 | 
| Top-Normal spring type_SHADOW RD+ | ✔ | 
| Top-Normal Spring Type | SHIMANO SHADOW RD+ | 
| Top sprocket_Max. | 11T | 
| Top sprocket_Min. | 11T | 
| Total capacity | 40T | 
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