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Description
SHIMANO GRX Di2 RD-RX827 1x12-SPEED REAR DERAILLEURThe Shimano RD RX827 GRX Di2 rear derailleur combines cutting edge wireless shifting with gravel specific durability. Featuring SHADOW ES technology, this 12 speed component delivers a low profile design that minimizes impact exposure through its integrated chain stabilizer unit. The SGS long cage configuration handles demanding terrain with precision, while advanced engineeringincluding dual spring chain stabilization and reinforced alloy
The Shimano RD-RX827 GRX Di2 rear derailleur combines cutting-edge wireless shifting with gravel-specific durability.
Featuring SHADOW ES technology, this 12-speed component delivers a low-profile design that minimizes impact exposure through its integrated chain stabilizer unit. The SGS long-cage configuration handles demanding terrain with precision, while advanced engineering—including dual-spring chain stabilization and reinforced alloy construction—ensures reliable performance in harsh conditions. Built for adventure cyclists seeking dependable, maintenance-free shifting on any surface.
Features
- SGS long cage for 10-51 cassette: Speed paired with range; the long cage rear derailleur withstands hard impacts on the trail and scores with lightning-fast shifting speed and top-class performance at the same time
- Low Profile Design: SHIMANO SHADOW ES technology delivers a wedge-shaped design that reduces the derailleur’s front-facing surface area and eliminates edges that could catch on rocks and road debris
- Automatic Impact Recovery Function: The derailleur absorbs impacts and then automatically resets the rear derailleur, ensuring continued performance
- Super Strong Design: The rear derailleur body boasts a wide, well-braced linkage and solid pulleys to minimize debris entry and ensure durability
- New Chain Stabilizing Technology: The dual spring design creates higher chain tension for better chain wrap and retention
- Battery Protection: Tucked safely inside the rear derailleur body, the sealed battery won’t budge even in the roughest terrain but is still easily removed for charging
-
RD-RX827 – Wireless Rear Derailleur:
- SHIMANO SHADOW ES Technology
- Precise wireless shifting
- Robust structure with skid plate design
- Solid pulley construction
- Removable and rechargeable onboard battery
- 700km to 1,000km range depending on riding conditions (435 to 621 miles)
- Long Cage RD-RX827 SGS for use with SHIMANO 10-51T 12-speed cassettes
- 449 grams
- LED status display
Specification
- Use: Gravel, Cyclocross
- Group: GRX Di2 RX827
- Model: RD-RX827-SGS
- Mount: Direct attachment (Conventional)
- Technology: Shadow ES
- Gradations: SGS-Type 1x12-speed (10-51 cassette)
- Compatible chain: 12-speed HG
- Max. teeth large sprocket: 51T (SGS)
- Min. teeth large sprocket: 51T (SGS)
- Max. teeth small sprocket: 10T (SGS)
- Min. teeth small sprocket: 10T (SGS)
- LED status indicator: Yes
Pully cage
- SGS long
Material
- Aluminium
- Stainless steel
- Steel
- PA-GF
Colour
- Black
Weight
- Approx. 449g
Contents
- 1 x Shimano GRX Di2 RD-RX827 1x12-speed Rear Derailleur
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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- Delivery to the USA:
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Exchange/Return Notes
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4.6 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic.
I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop.
One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me.
I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Great book
Format: Kindle
I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
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Reviewed in the United States on October 4, 2024