SRAM RED E1 XG-1290 Cassette
Product Details
The SRAM RED E1 XG-1290 Cassette represents the highest level of X-Range gearing performance, combining an ultra-lightweight construction with smooth, precise shifting for SRAM's most advanced wireless electronic drivetrains. Designed specifically for AXS road systems, this cassette delivers optimized gear progression, allowing riders to maintain efficient cadence across climbs, sprints, and fast-paced group rides.
Featuring a single-piece machined steel X-DOME construction, the RED E1 XG-1290 Cassette reduces weight while providing exceptional stiffness and long-term durability. The expanded gearing range begins with a 10-tooth cog, while the carefully tuned progression includes multiple one-tooth jumps for seamless transitions between gears. Compatible with XDR driver bodies, this cassette provides the performance and reliability expected from SRAM’s flagship road components.
Key Features
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X-Range Gearing Technology - Provides a wider range with optimized gear steps for smoother cadence control and efficient shifting
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X-DOME Machined Steel Construction - Single-piece design reduces weight while maintaining exceptional strength and durability
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Wireless AXS Optimized - Designed for seamless compatibility with SRAM AXS electronic drivetrains and XDR driver bodies
| Specification | Detail |
|---|---|
| Speed (CS) | 12 |
| Gearing | 10-28T, 10-30T, 10-33T, 10-36T |
| Cog Finish (Cassette) | Rainbow, Silver |
| Technology (Cassette) | XG |
| Cog Sizes | 10-28T: 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 24, 28 10-30T: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30 10-33T: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 28, 33 10-36T: 10, 11, 12, 13, 15, 17, 19, 21, 24, 28, 32, 36 |
| Driver Body Interface | XDR |
| Drivetrain Configuration | 1x, 2x |
| Cassette Size (Max) | 28, 30, 33, 36 |
| Cassette Size (Min) | 10 |
| Chain Technology | Road Flattop D1, Road Flattop E1 |
| Weight (g) | 180 |
| Weight Based On | XG1290 10-28 |