Shimano GRX RD-RX827-SGS Di2 derailleur, 12-speed
Shimano GRX RD-RX827-SGS Di2 Rear Derailleur
The Shimano GRX RD-RX827 rear derailleur, with its exceptionally durable and intelligent design, is specifically developed for gravel bikes with a 1x12 drivetrain. Featuring Shadow RD+ technology, it offers quiet and precise shifting even in demanding conditions, while automatic recovery after impact increases its lifespan. The super long cage allows for the use of a wide cassette range up to 51 teeth, ensuring you can tackle any gravel adventure with confidence and control.|
Di2 electronic shifting for maximum precision
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Shadow RD+ technology reduces noise and the risk of chain drop
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Automatic recovery after impact for longer life
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Solid pulleys for reliable shifting even in demanding terrain
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| Groupset | Shimano GRX Di2 |
| Gears | 1x12 |
| Control type | electronic |
| Capacity | 41T |
| Min./Max. smallest sprocket size of cassette | 10T/10T |
| Min./Max. cassette sprocket size | 51T/51T |
| Weight | 445 g |
| product ID | 353338 |
WARNING
For information on installing, adjusting, and replacing products that are not found in the user's manual, consult the place of purchase or a distributor. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and save it so that you can refer to it at any time.
The following instructions should always be followed in order to avoid personal injury and physical damage to equipment and the environment. The instructions are classified according to the degree of danger or damage that may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury or physical damage to equipment and the environment.
WARNING
- Do not disassemble or modify the product. This may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
- Never use alkali or acid-based solvents such as rust removers. If a solvent is used, the chain may break and cause serious injury.
- Clean the chain regularly with a suitable chain cleaner. Maintenance intervals depend on the circumstances of use and riding.
- Check that the chain is not damaged (deformed or cracked), does not skip or show any other anomalies, such as arbitrary shifting. If any problems occur, contact the place of purchase or a distributor. The chain may break and you may fall.
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