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Shimano Rear Derailleur GRX RD-RX820 2x12 Speed
NEW Enhanced chain security and quieter, more stable shifting for gravel ridingThe RD-RX820 is compatible with 11-34T...
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Description
xNEW
Enhanced chain security and quieter, more stable shifting for gravel riding
The RD-RX820 is compatible with 11-34T and 11-36T 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. The SHIMANO GRX 12-speed rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. And the chain tensioner has an ON/OFF switch for outings on smooth surfaces.
FEATURES
- Silent and secure rear shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap and drops
- SHIMANO SHADOW RD+
- Smooth and reliable shifting on mixed surfaces
- ON/OFF stabilizer switch matches terrain
- Maximum front chainring difference: 17T
- Top sprocket: Max. 11T/Min. 11T
- Low sprocket: Max. 36T/Min. 34T
- Total capacity: 42T
Specification
x- MODEL NO RD-RX820
- SERIES GRX 12-speed
- Color Series color | Series color
- Average weight 270
- Rear speeds 12 - 12
- Compatible chain HG 12-speed
- Top-normal spring type|SHIMANO SHADOW RD+ ✔
- Mount|Direct attachment (conventional) ✔
- Mount|Direct mount ✔
- Cable adjuster ✔
- Max. front difference 17T
- Total capacity 42T - 42T
- Low sprocket|Max. 36T
- Low sprocket|Min. 34T
- Top sprocket|Max. 11T | 11T
- Top sprocket|Min. 11T | 11T
- Fluoric coated link bushings 4 | 4
- Pulley|Guide pulley bearing ✔
- Pulley|Tension pulley bearing ✔
- Pulley|Teeth 11/13T | 11/13T
- Pulley|Sunken type pulley screw ✔
- B-axle|Hollow axle ✔
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