Elite 12-Speed Performance with Signature Rainbow Style
The Sram XG-1299 Eagle XX1 Rainbow cassette – 12v is SRAM’s most iconic high-end cassette, built for riders who want top-tier shifting performance with an eye-catching rainbow finish. Designed for XC racers, trail enthusiasts, and enduro riders, the Sram XG-1299 Eagle XX1 Rainbow cassette – 12v delivers perfect gear transitions, lightweight strength, and unmatched drivetrain precision.
Expansive 10-52T Range for Ultimate Versatility
The Sram XG-1299 Eagle XX1 Rainbow cassette – 12v offers SRAM’s full 520% gear range for effortless climbing and high-speed descending. From steep fire roads to technical climbs, this cassette ensures smooth, controlled gear shifting across all 12 speeds.
X-Dome CNC Construction for Superior Strength & Low weight
Built from a single piece of hardened steel using SRAM’s X-Dome technology, the Sram XG-1299 Eagle XX1 Rainbow cassette – 12v combines exceptional stiffness with premium weight savings. Its open design improves mud clearance and enhances long-term durability, even under heavy power output.
Premium Rainbow Finish with World-Cup Proven Precision
The Sram XG-1299 Eagle XX1 Rainbow cassette – 12v features a stunning oil-slick rainbow colorway that stands out on any bike. Paired with SRAM’s elite shifting engineering, it offers crisp, reliable transitions in all conditions—perfect for riders aiming for the highest performance possible.
| Specification | Detail |
|---|---|
| Speed | 12-speed |
| Gear Range | 10–50T (standard) or up to 10–52T depending on version — 500–520% total gear range |
| Cog Sizes (10–50T version) | 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 |
| Cog Sizes (10–52T version, if available) | 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52 |
| Freehub / Driver Body Compatibility | SRAM XD driver body required (XD-freehub) |
| Cassette Architecture / Tech | X-DOME™ — lightweight, strong, open-design cassette architecture for durability and mud clearance |
| Intended Drivetrain Setup | 1× drivetrain (single front chainring) — optimized for modern MTB shifting setup |
| Material (cogs) | Steel for most cogs; largest cog (and possibly selected large cogs) alloy for weight savings |
| Colors / Finish Options | Rainbow (plus other colors like Gold, Black, Copper as part of Eagle Colorsystem) |
| Use Cases / Ideal For | Cross-Country (XC), Trail, All-Mountain, Enduro, general MTB — wide gear range for climbs and fast descents |
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