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Shimano

Shimano GRX RD-RX822-GS derailleur, 1x12, medium bracket

125 €
RRP 163 €
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From 02.02.2026 (Monday) Check availability
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Gravel cycling has its roots in simplicity, inclusiveness and curiosity. Everyone from beginners to grizzled veterans rely on Shimano GRX, the first gravel-specific set - for smooth shifting, reliable braking and exceptional off-road comfort.

Shimano GRX sets itself apart from the rest of the world of Shimano parts, and the new RX820 range offers premium performance at an incredible price, with thoughtful ergonomic design and gearing focused on gravel roads.

This is not an elaborate set of road components. It represents a fundamental view of how cyclists want to explore their world.

Shimano GRX helps you eliminate excuses, instead encouraging you to try a rough side road or last a little longer in the saddle.

The purebred gravel derailleur GRX RD-RX822-GS is designed for a 1x12 speed drive, uses the proven Shadow RD+ construction and can fit up to a 45-tooth pinion at the back of the cassette when using a single converter on the cranks.

The weight of the derailleur is 290 g.

Technical designation: RD-RX822-GS
Total capacity: 35 teeth
MAX number of teeth of the largest pinion: 45 teeth
MIN number of teeth of the largest pinion: 45 teeth
Maximum difference of teeth of converters: 0 teeth
Leash length: GS medium

Product details
Groupset Shimano GRX
Gears 1x12
Control type mechanical
product ID 244678
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WARNING
For installation, adjustment and replacement information about products not found in the user's manual, consult the place of purchase or a distributor. A dealer's manual intended 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 back to it at any time.
The following instructions must always be followed in order to prevent personal injury and physical damage to equipment and the surroundings. 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 surroundings.

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 abnormalities, such as arbitrary shifting. If any problems occur, contact the place of purchase or a distributor. The chain may break and you may fall.

Shimano
Road Shimano
Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.
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