GRX RD-RX820
- Free shipping over $100
- In stock, ready to ship
- Backordered, shipping soon
- With an integrated chain stabilizer mechanism, the GRX rear derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an on/off switch for the chain tensioner. The RD-RX820 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.
- GRX 12 speed rear derailleur for double cranks
- Adjustable chain stabilizer prevents chain slapping and drops
- Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
- Maximum front difference: 17T
- Total capacity: 42T
- Low sprocket: Max. 34T/Min. 30T
- Top sprocket: 11T
Attributes
| Max Front Difference | 17T |
| Maximum Cog | 34T |
| Minimum Cog | 11T |
| Primary Color | Grey |
| Cage | GS |
| RD Capacity | 42T |
| RD Spring Type | Shadow Plus |
| Speed | 12 |
| Mount | Standard |
What are the shipping costs?
Shipping is free on orders of $100 or more. A flat $25 shipping fee applies to orders under $100.
How long will it take for my order to ship?
Orders placed before 1:00 PM ET are typically shipped the same day. Orders received after 1:00 PM, on weekends, or on holidays will be shipped on the next business day.