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SRAMRed XG-1090 X-Dome Cassette

Sale 20% Off$268.00 $335.00

Item # SRM0299

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  • One Color, 11-28 ($268.00)
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Item # SRM0299

The original SRAM Red Cassette was an exceptional drivetrain component with only one downside: when installed on a deep carbon wheel or ridden amongst a group of riders on Red, it created a resounding cacophony that drowned out even the most concentrated thoughts. There was nothing inherently wrong with this cassette, known officially as the OG-1090. It was lightweight, it shifted crisply, and was resistant to wear over the course of prolonged use. But it was noisy due to its Powerdome construction, which acted like a phonograph that reverberated drivetrain clatter from the freehub and chain. And thus the new SRAM Red XG-1090 X-Dome Cassette was born.

In the new Powerdome X construction, the middle eight cogs on the new XG-1090 are machined from a single block of high-grade steel; a technique similar to that of their popular XG-1099 mountain cassette. The cassette is then finished with two carefully machined aluminum cogs. The largest cog has a machined backplate to increase strength and improve stiffness—a definite advantage if this is your punchy, last-resort climbing gear. The whole cassette requires a machining process so complex and precise that each piece takes around seventy minutes to produce. But the final product is more than worth the effort—it is a hollow, inspiring piece of engineering that is both stiff and exceptionally lightweight. And excess noise is effectively dissipated, leaving you with nothing but the smooth, crisp, and reliable shifting SRAM Red is best known for.

To further reduce noise, SRAM also fitted an elastomer StealthRing between each cog to engage, dampen, and thereby eliminate any excess chatter from the chain. The rings are shaped to mesh with SRAM's PC-1091R chain, and do not compromise power transfer.

Having been improved exactly where needed, the new SRAM Red XG-1090 X-Dome Cassette is a true upgrade to its predecessor while still remaining faithful to the SRAM Red pedigree that provides the lightest and arguably best-climbing gruppo on the market. For smooth and flawless shifting across SRAM's machined X-Glide cassette teeth, and to run a drivetrain perfectly optimized for quiet operation with the StealthRings, SRAM recommends using their PC 1091R Chain. The cassette also includes an anodized, laser-etched aluminum lockring.

The 11/23 includes: 11,12,13,14,15,16,17,19,21,23
The 11/25 includes: 11,12,13,14,15,17,19,21,23,25
The 11/26 includes: 11,12,13,14,15,17,19,21,23,26
The 11/28 includes: 11,12,13,14,15,17,19,22,25,28

Tech Specs
Cog Sizes
11 / 23 T, 11 / 25 T, 11 / 26 T, 11 / 28 T
Cog Material
[cogs 1 and 10] aluminum, [cogs 2-8] steel
Hub Type
Shimano or SRAM compatible
Recommended Use
road cycling
Manufacturer Warranty
2 years

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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One Color, 11-28

Claimed Weight

Claimed weights are provided by the vendor.

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135 g

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    What do you think about this product?


    >Rating: 1

    Problem with Shimano 9000 Wheels

    I returned this product before using it

    I asked Tech support if the SRAM cassette would work with Durace 9000 wheels. I was told there were no compatibility issues. I later found out the Durace uses aluminum freehub covers with tall splines that are not compatible with SRAM. So no I have to return and go shopping for Durace 10 speed cassettes elsewhere since Backcountry doesn't carry.


    Is it compatible with my dura ace 7900...

    Is it compatible with my dura ace 7900 drive train?

    It is indeed! Let me know if you have any other questions

    >Rating: 4


    Are you expecting to get in anymore size 11-28T cassettes?

    >Rating: 4

    So far so good

    I've put it through the wringer

    When getting a nice lightweight pair of wheels not just any cassette will do. Added this to a pair of Enve 3.4's with an Ultegra drivetrain. Shifts well & does the job it's suppose to. Nice sound also.

    >Rating: 5


    I've put it through the wringer

    This is an awesome cassette. Smooth,quiet and very light weight. An excellent compliment to Sram Red Components. I highly recommend it.

    >Rating: 5


    I've put it through the wringer

    I put the 11-28 on to my SRAM Red 2011 version. I also upgraded the derailleur and chain all to the 2012. So far, I am thrilled. They really meant it when they said it's quiet. Now when I ride with my riding buddy, I can complain about his clanking spoke that he is too lazy to fix. Before, I was probably the one making most of the noise. Other riders have also commented on how surprisingly quiet I am compared to what they are used to with SRAM. Even though I have a 2011/2012 setup of complete SRAM Red, everything rides incredibly smoothly. I have had no issues and rode most of the summer with the new setup. In fact, I have often thought the ride seems even smoother. Not sure if it was just the noise before that made me think I wasn't as smooth as other riders. I never even considered switching from SRAM though so I have always been quite happy with this brand. I am more than pleased though they made this very nice upgrade.