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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Shimano ST-R8170 STI Shifter Right w/ BR-R8170 Front Calliper 12-Speed Di2DURA ACE shared DNA The new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level. Wireless Simplicity The revised Di2 platform featured on the DURA ACE series is now standard with the ULTEGRA R8100 series. Making the shifter derailleur system completely wireless,
DURA-ACE shared DNAThe new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level.
Wireless Simplicity
The revised Di2 platform featured on the DURA-ACE series is now standard with the ULTEGRA R8100 series. Making the shifter-derailleur system completely wireless, ULTEGRA still boasts absolute reliability and confidence across the board. Making a wired connection where it still makes sense; sharing a primary battery charging from the rear derailleur, your after-ride experience is almost too easy. The STI shifter buttons are powered by coin-style CR1632 batteries which last for approximately 1.5-2 years of usage.
Shimano’s Fastest Shifting Ever!
Sharing the superior DNA, the ULTEGRA Di2 platform also has the improved system design across its electronics. Increasing the processing efficiency between motor, gears and the overall transmission performance enabled the system to reach its fastest speed ever! Better yet, now also keeping your wireless systems even more secure, the new high security, fast-processing, low power consumption proprietary chip sets the new standard.
Versatile Control Interface
Shimano is not just in the game to change the big things, but believes unparalleled ergonomics is about the little changes too. A raised head portion with slight changes to curves and increased offset between the Di2 buttons means you have more comfort AND control. Better index finger grip on the hoods, better 3-finger grip behind the brake, sweaty or gloves fingers are no problem! Now offering customisations through the E-TUBE app with R8100 series, connections with 3rd part cycle computers, the options to make the setup your own are endless.
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
4.5 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
I'll stick to Rain Design
Color: Space Gray, Size: mStand, Style: mStand
There are a lot of laptop stands out there and call me a loyalist since I bought my first Rain mStand over 10 years ago but I came back to Rain for my second one after giving the original one to my kid for college. I purchased the Space Gray version to match my current Macbook Pro color. It's still a handsome, well-crafted non-nonsense design. It's great that Rain didn't change the design much from the original one I had. It works well with padding in just the right places, and it's timeless design is a complement to any room decor. Go with Rain.
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Reviewed in the United States on October 29, 2024
★★★★★ 5
Simple, hefty configurable small tray
Color: Black, Color: Black
"Hefty" is not an expected description for a drawer organizer. But it is in this case because of the solid metal plate it's made from. You could brain a zombie with this tray and not dent it (the tray... the zombie's the one that would be dented). Guess the material choice does make sense since the two wooden dividers uses magnets to hold positions. A strong bump would be needed to shift the placed dividers.
You get some basic configuration choices from the dividers. Including additional (different length) dividers would allow further sectioning options would have been nice.
It also looks good too.
Like the design and utility. Would also go for a bigger version. Perhaps that one, like this, would have secondary uses... perhaps as armor plating?
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Elegant and easy to customize to organize your desk
Color: Black, Color: Black
This desk organizer was higher quality and more elegant looking than I thought it would be, so I decided to use it to hold some things on my dresser. It’s too pretty to hide away in my drawer.
The compartments snap into place with magents so you can adjust based on how you want to organize your items. The tray itself is heavy, durable, and well-made. The compartments and edges seem to be authentic wood, and the base surface of the tray is a rubber-like surface that keeps things from slipping while still looking very nice.
I like this tray enough to put it on display as a part of my home decor. It’s not only useful for organizing some odds and ends, but is also very beautiful and well made.
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Reviewed in the United States on April 12, 2026
★★★★★ 4
Stylish Aesthetic with Functional Limitations
Color: Black
This desk organizer offers a sophisticated look that complements modern furniture and decor quite well. The combination of aluminum and walnut creates a professional appearance that effectively tidies up a workspace or nightstand. I particularly appreciate the soft-touch base, which provides a safe surface for delicate items like phone screens or watches, ensuring they remain free of scratches. Additionally, the materials are very easy to wipe down and maintain.
However, the build quality does not entirely justify the premium price point. The aluminum components feel more like thin, shaped sheet metal rather than a solid, high-end material. While the walnut accents are a nice touch, they lack the weight and substance I expected for a valet tray in this category.
The primary functional drawback lies in the magnetic adjustment system. The magnets are relatively weak, meaning that accidentally bumping a divider while reaching for an item can easily shift the layout. This requires frequent readjustments, which can be frustrating during a busy workday. Furthermore, the magnetic rails can interfere with other metallic or magnetic objects you might try to store. If you are looking for a purely aesthetic upgrade to organize lightweight items, this tray serves that purpose, but it falls short in terms of stability and material density.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Love the customizable dividers
Color: Black, Color: Black
I really like this desk drawer organizer tray. It comes with two removable adjustable dividers that are magnetic. They have a strong magnetic pull and stay in place and do not move or shift at all. I love the overall look of it. It’s very sophisticated looking. It can be suitable for a man or a woman. If it’s into my drawer perfectly and I love the smooth modern design of it.
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Reviewed in the United States on April 3, 2026