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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
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Description
Shimano XT CS-M8100 12-speed Cassette 10 - 51TThe Shimano CS M8100 XT 12 speed Cassette is a high performance 12 speed Micro Spline MTB cassette. Key Features: Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Largest sprockets are mounted on lightweight alloy carriers to reduce weight and increase rigidity Sprockets
The Shimano CS-M8100 XT 12-speed Cassette is a high performance 12-speed Micro Spline MTB cassette.
Key Features:
- Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
- Close ratio gearing allows a more efficient use of energy through finer cadence control
- Largest sprockets are mounted on lightweight alloy carriers to reduce weight and increase rigidity
- Sprockets are cut away and drilled to further reduce weight without reducing rigidity
- 10-51T wide ratio gearing allows a more efficient use of energy through finer cadence control in ever changing trail conditions
- Chrome-plated finish offers hard wearing resistance to corrosion
- Alloy cassette lockring
- For use with 12-speed MTB chains
- Average weight: 470 g for 10-51T
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
4.2 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Cool light bars
Color: Black
Lights work great. Easy to install and connect to the app. Endless color options and they fit perfect on my desk. I stuck two of the behind my monitor and two on the side to make nice ambient light. I like that you dont need the app to turn on the lights.
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Decent Light Bars, But More Options in the App
Color: Black
The Govee RGBIC Light Bars are pretty decent overall. The lights are bright and add a nice atmosphere behind the TV. The 15-inch bars fit well for a TV setup in the 45–70 inch range, and the different placement options make it easy to set them up the way you want.
They do have some regular lighting settings you can use without connecting to the app, which is convenient if you just want simple colors. Setup is fairly easy and they look clean behind the TV.
That said, I do wish there were more options available without having to rely on the app. The basic settings work fine, but it would be nice to have a few more built-in modes.
Overall, they’re solid lights that look good and work well, especially if you like adding ambient lighting to your TV area.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Cannot recommend this brand enough!!
Color: Black
Although govee is a bit more expensive the price is worth it.
This is the second pair of lights I now own by this brand and seriously they are unmatched! The lighting is phenominal while they remain relatively light in weight. While thwy do have a built in remote on them they also have a govee app which is extremely accessible.
It allows you to pick from a RGB wheel, the brightness, and even different flow modes. The light is broken up into segments internally allowing for maximum customization.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Quality, Easy to install, Infinite color and setting options
Color: Black
Yet again, Govee does not disappoint. Super easy setup (especially if you already have the app installed) and just the right amount of ambiance with seemingly unlimited color options and various still, or dynamic settings. Oh, and all this fir a very readonable price. Big fan here!
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Reviewed in the United States on February 21, 2026
★★★★★ 5
Such awesome vibe boosters
Color: Black
These has improved the vibe so much In my room. Love how easy it was to find new color schemes to set the mood. Nice and double and the app is easy for controlling.
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Reviewed in the United States on April 12, 2026
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