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SRAM RED XG-1290 Cassette
The workhorse of X-Range gearing. The SRAM RED XG-1290 cassette progresses fluidly and quickly through a wider range of gears. It's specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings.
- Gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range
- One-piece machined steel X-DOME design for weight savings
- All Zipp wheels starting from 2015 are XDR ready
Features
- Rainbow colorway available in 10-28T and 10-33T cassettes
- Designed to work with an XDR driver body
- 10-tooth start helps provide a wider gearing range
- Designed for smooth and fast shifting
X-Range Gearing
The XG-1290 cassette is designed with SRAM's X-Range gearing technology
This cassette is part of SRAM's 12-speed drivetrain system, offering a higher number of gears for more versatility and finer gear progression. The XG-1290 cassette is machined from a single piece of high-grade steel, which ensures high strength and durability while maintaining a lightweight profile.
- The top four cogs are machined from a single block of steel, which reduces weight and increases durability. This construction method also helps improve shifting precision and smoothness
- The cassette fits the XDR driver body, which is a universal standard for road bikes, ensuring broad compatibility with modern wheelsets
- The XG-1290 is available in multiple gear ratios, such as 10-26, 10-28, 10-33, providing options for different types of riding and terrain preferences
XDR
(XD Road) is a freehub driver body standard designed to accommodate SRAM's 11-speed and 12-speed cassettes with smaller 10-tooth cogs, primarily used in road, gravel, and cyclocross applications.
- The XDR driver body is an extended version of the XD driver body
- Traditional freehub bodies cannot accommodate cogs smaller than 11 teeth due to design limitations
X-Dome
An innovative cassette technology used in high-end SRAM drivetrains, particularly in mountain biking and road cycling. This technology is designed to enhance performance by improving strength, durability, weight, and shifting precision.
- The X-Dome cassette is machined from a single block of high-grade steel
- This one-piece construction significantly increases the strength and rigidity of the cassette
- Despite being machined from a single piece of steel, the X-Dome cassette features a hollow internal structure
- The precise machining process ensures tight tolerances and high-quality finishing
- The X-Dome cassette has an open design with large cutouts between the cogs
- The one-piece steel construction makes the X-Dome cassette exceptionally durable and resistant to wear
Michael R.
Reviewed in the United States on October 5, 2023
But awesome. Looks good and is great quality. For sure it's overpriced though.....hopefully I get a lot of mileage out of it.
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