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Only available online
- Ordered before 22:00, delivered tomorrow
- Free tracked delivery
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Try in store
A large part of our assortment is in stock in our stores and ready to try, fit, and experience without an appointment.
Our full assortment is available online. You can order and pay for products online and have them delivered for free to one of our Superstores. This way, you can try everything out. Not satisfied? You can return it to the store free of charge and receive a refund.
Pros & Cons
Pros & Cons
- The Shimano GRX 11 speed rear derailleur can be combined with Shimano 105, Ultegra and Dura Ace 11 speed groups.
- Thanks to the extra tight spring tension on the cage, the derailleur won't rattle on bad or unpaved roads.
- Ideal for long rides on cobblestones, when a road bike rear derailleur falls short sometimes.
- A long cage (GS) is compatible with these cassette ratios: 11/28, 11/30, 11/32, 11/34.
- Easily adjustable with its adjusting screws and cable adjusting screw.
- This derailleur isn't compatible with cassettes with a smaller ratio than 11/30.
Specifications
Specifications
| Brand | Shimano | |
| Number of gears | 11 speed | |
| Shifting Type | Mechanical | |
| Cage Length | Long Cage | |
| Maximum Capacity | 40T | |
| Weight | 251 grams | |
| Largest cassette sprocket | 34T |
Stable due to its clutch
This derailleur comes with an integrated clutch. This clutch keeps the derailleur from rattling when you're riding on rough terrains, and the chain will keep its tension. This also makes sure the derailleur shifts quickly and smoothly, and you won't hear a lot of noise from the derailleur.
Compatible with all 11-speed Shimano shifters
This derailleur is compatible with all 11-speed Shimano shifters. This derailleur is of course compatible with GRX RX180 shifters. These shifters are designed especially to give you as much grip as possible on rough terrain.
Which cassettes are compatible with this derailleur?
• Long cage (GS): 11/28, 11/30, 11/32, 11/34Crooked derailleur hangers are a common problem. This happens sometimes if you knock your derailleur hanger into something, for example in case of a fall. Luckily this can be fixed!
Clean your jockey wheels well too!
Just like your chain, the jockey wheels on a derailleur will get dirty. This affects your bike's cycling feel and isn't good for your bike's drivetrain. That's why we recommend cleaning the jockey wheels whenever you clean and lubricate your chain. Do this by running a cloth along the jockey wheel while gently turning the chain. When your jockey wheels are worn out eventually, they'll have to be replaced.
Reviews
Reviews
Most recent reviews
5 / 5
Good product that makes you wonder why you would want anything else
A little careful attaching to the bike and then just adjusting. Shifts very smoothly compared to a Shimano SLX derailleur.
Pros & Cons
4 / 5
Improved version
Bought to replace my broken grx derailleur. Apparently an improved version with some larger derailleur wheels, shifts very smoothly.
Pros & Cons
5 / 5
Top class for cyclocross
Perfect for cyclocross, unlike for example 105 or ?Ultegra which are both perfect derailleurs for cyclists it is ideal that extra chain tension can be applied for cyclocross.
Pros & Cons
4 / 5
Grx on a gravel will never look out of place
Couldn't be found anywhere else. I check mantle and the very next day it was delivered home. Derrailleur placed on the pad with some mounting grease, chain on and quickly back on the track.
Pros & Cons
5 / 5
Works better than expected
Great derailleur. Used on a gravel bike and now considering changing my road bike to match. Running an 11-34 2x system with 105 groupset.
Pros & Cons
4
Grx on a gravel will never look out of place
Couldn't be found anywhere else. I check mantle and the very next day it was delivered home. Derrailleur placed on the pad with some mounting grease, chain on and quickly back on the track.
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Fast delivery
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Known top product
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Nothing at all
Frequently bought together
Frequently bought together
Recommended by the product specialist
Recommended by the product specialist
CyclOn Assembly Paste Plant-Based
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Compare the products above
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| Shimano GRX RX810 | Shimano GRX RD-RX822 SGS | Shimano GRX RX812 | |
| 5 reviews | 7 reviews | ||
| Number of gears | 11 speed | 12 speed | 11 speed |
| Shifting Type | Mechanical | Mechanical | Mechanical |
| Cage Length | Long Cage | Long Cage | Long Cage |
| Maximum Capacity | 40T | 31T | |
| Weight | 251 grams | 288 grams | 267 grams |
| Largest cassette sprocket | 34T | 51T | 42T |
| 94,95 | 104,95 | 99,95 | |
| This product | View product | View product |