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Shimano GRX RD-RX822-SGS derailleur, 1x12, long arm

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85.99 € -7%
RRP 129 €
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Shimano GRX RD-RX822-SGS derailleur

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. A fundamental insight into how cyclists want to explore their world, Shimano GRX helps you eliminate excuses, instead encouraging you to try a rough back road or stay in the saddle a little longer.
Product features
Adjustable chain stabilizer prevents chain rubbing and falls
Quiet and safe shifting on uneven terrain
Product details
Groupset Shimano GRX
Gears 1x12
Control type mechanical
Technical designation RD-RX822-SGS
Capacity 41 teeth
Min./max. large pinion size 51T/51T
Min./max. small pinion size 10T/10T
Technology Shadow RD+
Weight 288 g
product ID 244679
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Product questions
Czechoslovak-CS Czechoslovak-CS • 22 september 2023 at 11:09
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SK Je možné namontovat přehazovačku z této nové serie do původního systému?
Momentálně mám 1x11 mechanickou řadu. Když vyměním současnou přehazovačku (RD-RX812) za tuto, bude to fungovat? Samozřejmě i s kazetou.

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22 september 2023 at 11:09
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gronkjear gronkjear Customer support • 24 september 2023 at 19:15 •replyCzechoslovak-CS
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SK Dobry den,

prehadzovačka RD-RX822-SGS je určená pre pohon 1x12 rýchlostí, s povodnou 11-rychlostnou radiacou pakou tak spolupracovat nebude.

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24 september 2023 at 19:15
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pavolchlebko pavolchlebko • 29 august 2025 at 14:22 •replygronkjear
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SK Dobry den. A ked nastelujem dorazy tak aj tak to nebude spolupracovat? Roztec medzi 11s a 12s medzi prevodmi je iny?

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29 august 2025 at 14:22
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jaroslavf jaroslavf Customer support • 30 august 2025 at 6:54 •replypavolchlebko
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SK Dobrý deň,

12 rýchlostná prehadzovačka má rozdielnu indexáciu prevodov a nebude to spolu správne fungovať ani keď nastavíte dorazy.

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30 august 2025 at 6:54
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renekirdi renekirdi • 3 december 2025 at 22:59 edit
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SK Dobrý deň, bude možné aby táto prehadzovačka fungovala v sade 2x12? Chcel by som gravel v sade 2x12, vpredu GRX (46/30) a vzadu 10/51. Je možné vôbec niečo také vystavať z GRX komponentov? Ďakujem

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3 december 2025 at 22:59 edit
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gronkjear gronkjear Customer support • 5 december 2025 at 12:56 •replyrenekirdi
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SK Dobry den,

v zaklade to Shimano neodporuca, tento prehadzovac je specifikovany pre 1x setupy.
V 2x12 setupe je mozne pouzit RD-RX820-GS prehadzovac, ale ten ma obmedzenu kapacitu a kratsie ramienko, 51T kazetu tam zial potom pouzit mozne nie je.

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5 december 2025 at 12:56
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lubosfranige lubosfranige • 17 september 2024 at 14:06
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SK Dobrý deň

Je možné objednať samostatné dlhé ramienko na túto prehadzovačku?
Ďakujem

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17 september 2024 at 14:06
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gronkjear gronkjear Customer support • 17 september 2024 at 14:36 •replylubosfranige
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SK DObry den,

mate zaujem o SGS alebo GS ramienko?

SGS dostupne - https://www.mtbiker.sk/shop/komponenty/prehadzovacky/prislusenstvo/shimano-rd-m8100-sgs-vnutorne-ramienko-prehadzovacky-p119853.html?preview.

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17 september 2024 at 14:36
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lubosfranige lubosfranige • 17 september 2024 at 16:05 •replygronkjear
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SK Ďakujem za promptnú odpoved.
Ešte by ma zaujímalo aký je rozdiel medzi GS aSGS.

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17 september 2024 at 16:05
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gronkjear gronkjear Customer support • 18 september 2024 at 12:09 •replylubosfranige
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SK Dobry den,

jedna sa o rozdielne dlhe ramienka - meni sa tym kapacita samotnej prehadzovacky.
Pre lepsiu identifikaciu sksute pozriet priamo fotky od Shimana:
- GS verzia: https://bike.shimano.com/en-EU/product/component/grx-12-speed/RD-RX822-GS.html
- SGS verzia: https://bike.shimano.com/en-EU/product/component/grx-12-speed/RD-RX822-SGS.html

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18 september 2024 at 12:09
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reno reno • 30 July 2025 at 10:36
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SK Dobrý deň, mate k tejto prehadzovačke aj samotnú radiacu páku?

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30 July 2025 at 10:36
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gronkjear gronkjear Customer support • 30 July 2025 at 22:24 •replyreno
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SK Dobry den, https://www.mtbiker.sk/shop/komponenty/radenie/cestne-a-gravel/shimano-grx-st-rx820-radenie-hydr-brzda-2x12-prava-p244673.html.

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30 July 2025 at 22:24
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reno reno • 31 July 2025 at 7:01 •replygronkjear
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SK Ale to je aj zo strmeňom. Bez brzdoveho strmeňa nemate ?Shimano to na svojej stránke má.

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31 July 2025 at 7:01
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gronkjear gronkjear Customer support • 6 august 2025 at 9:02 •replyreno
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SK Dobry den, zial samotny set pak aktualne nie

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6 august 2025 at 9:02
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WARNING
For information about 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 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 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 (deformation or cracking), does not skip or show any other irregularities, 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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