Description |
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-RX812 rear derailleur 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
- 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
Specs |
| Model No | RD-RX812 |
| Series | GRX 11-speed |
| Color | Series color |
| Average Weight | 267 |
| Rear Speeds | 11 |
| Compatible Chain | LINKGLIDE, HG 11-speed |
| Top-normal Spring Type (SHIMANO SHADOW RD ) | ✔ |
| Mount (Direct attachment - conventional) | ✔ |
| Mount (Direct mount) | ✔ |
| Cable Adjuster | ✔ |
| 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) | ✔ |
| Pulley (Tension Pulley Bearing) | ✔ |
| Pulley (Teeth) | 11T |
| Pulley (Sunken Type Pulley Screw) | ✔ |
| B-axle (Hollow axle) | ✔ |
