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The SRAM Schaltwerk X-Horizon XX1 Type 2.1 rear derailleur is engineered for riders who demand crisp, reliable shifting on demanding off-road terrain. Designed around SRAM’s proven X-Horizon architecture, it helps maintain consistent chain gap across the cassette, reducing ghost shifting and making every gear change feel precise and controlled. The Type 2.1 clutch technology adds extra chain tension to keep the drivetrain quiet and secure, especially on rough descents and technical trails where chain slap and dropped chains can otherwise be a problem.
Built for modern 1x drivetrains, this XX1-level derailleur is a popular choice for high-performance cross-country and trail bikes. Its construction balances low weight with durability, using quality materials and a refined cage design to handle aggressive riding and frequent shifting. The roller bearing clutch and cage lock features make wheel removal and maintenance easier, while also improving long-term drivetrain stability. Whether you are racing or simply pushing your limits on challenging singletrack, the SRAM X-Horizon XX1 Type 2.1 rear derailleur delivers smooth, dependable performance that lets you focus on the ride, not your gears.
