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Description
Shimano GRX RD-RX825 Di2 Rear Derailleur - 12-Speed, Long Cage, With Clutch, For 2x, BlackShimano's GRX RX825 Di2 12 speed rear derailleur features a built in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built in ON OFF switch, wheel removal is easy too. The RD RX825 is compatible with 11 34t and 11 36t 12 speed cassettes and supports Full or
Shimano's GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.- Integrated wireless unit, charging port, and switch allows a compact design
- Offers fast and reliable shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap
- Shimano Shadow RD+ offers a quiter drivetrain by utilizes a stablizer to reduce chain slap and provides a simple solution for chain drops
- Gravel-tuned clutch tension features a switch stabilizer ON/OFF to match terrain - ON for gravel, OFF for smooth roads
- LED status indicator to easier identify battery life, pairing, adjust mode, etc.
- Top sprocket: Max. 11t/Min. 11t
- Low sprocket: Max. 36t/Min. 34t
- Total Capacity: 40t
Product Specifics
- Largest Cog: 36
- Rear Der/Shifter Compatibility: Shimano Road Di2
- Rear Derailleur Mount Type: 10x1 Standard
- Rear Derailleur Mount Type: Shimano Rear Direct Mount
- Drivetrain Speeds: 12
- Chain Wrap Capacity (teeth): 40
- Cage Length: Long
- Color: Black
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 192790310893
EAN: Not available
Manufacturer Part Number: Does Not Apply
RD0162
181524-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Solid cabinet; all aligns well
Color: White-1927, Size: 19x27
Amazon declined my first buy/ship if this cabinet as it was damaged when it reached Amazon. That was fine, but I still had to go thru ‘return’ process of Amazons, w/o a product to return; so I used their ‘chat feature’ to explain—went smoothly, and they secured the replacement for me; I just need to check latest bill to be sure I was only charged once. OK, now onto the cabinet: Solid materials (for MDF-which I generally avoid), and assembled + installed in just 1hr. Btw, I add ‘glue’ the the provided 8 wood dowels used for assembly. The doors hinge adjustments are easy to align doors for final finish. While this cabinet ‘hangs’ on its cleat, I did add one screw to the inside-bottom of cabinet to ensure no one inadvertently may ‘lift’ the cabinet off its cleat. This is rock solid secured to me wall above toilet for great extra storage in the kids’ bath! Overall, a good buy; but did expect it to be cheaper price considering MDF material and made in China. I look for country of origin now and try to buy from US friendly countries. Good luck, Mark in NY.
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Reviewed in the United States on April 1, 2024
★★★★★ 5
Very impressive
Color: Navy Blue, Size: 23x29
I've had a lot of experience with modern furniture that you have to put together. Most of it, I worry about the durability of the product. Most is put together with repurposed particle board. So it's heavy and I would think not durable - especially in a damp environment.
Saying that, I was very impressed with this product.
My experience with the product to this point has been the best of those type of products. It shipped very well...everything in place and neatly packed. The engineered wood (resembles plastic) seems solid, water resistant at a minimum, and scratch resistant. The instructions provided - while the product was easy to assemble - were amongst the clearest I've seen from such a product.
What impressed me the most was the thought behind the design of this product. The hinges are perfect for the product. The doors can be easily removed by pushing a button on the hinge. The holes on the boards were perfectly drilled - so much so that I didn't have to pound any board to put them together. The back wasn't nailed on and the slot used for the backing was spot on.
If I had to choose negatives (and I'm really nit-picking because this is really designed that well) it was that the shelf ends up being a bit loose and I would have liked the mounting board to match the width of the slot it was being used to fill. Both can be fixed at the house by home products and screws.
I was so impressed that I would go and buy another product from this manufacturer (and look for the manufacturer by name). IT is that good.
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Reviewed in the United States on December 4, 2022
★★★★★ 5
Great looking, nice quality
Color: Black, Size: 23x29
There is some assemble required. if your not ready to assemble this product may not be for you.
the machining was spot on, all parts went together as they should.
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Reviewed in the United States on November 24, 2025
★★★★★ 5
Stylish, sturdy cabinet
Color: White
This cabinet was even nicer than I thought it would be—stylish, sturdy, and easy to assemble. Perfect for holding medicines and small items in the bathroom, easy to see and find, out of reach of children.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Great price, very cute
Color: White
I purchased this cabinet for the laundry room. Overall it's a great product, especially for the price. I put it together by myself and it took about 30 minutes. It does come with all the hardware you need to install but I used my own hammer as it got the job done quicker. I would caution that mine came with a lot of sawdust. I ended up using the backboard for a dust collector and then ending up cleaning it at the end before install. The size is great for what I need.
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Reviewed in the United States on April 27, 2026
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