SRAM Eagle XX XS-1297 T-Type 12-Speed Cassette

The XX Eagle Cassette from SRAM provides a new level of shifting performance, offering the best ever inboard and outboard shifting under load. With ground breaking new technology and its full X-Sync design, the harder you pedal the better the shifting performance.A whole new level of shifting performanceFull X-SYNC for best-ever inboard and outboard shifting performance under load. Optimized gear steps on low end.Cassette and derailleur contact directly, ensuring perfect alignment on every bikeLess extreme chain angles deliver more precise shifting and greater durabilityMassive 520% (10-52) gear rangeClearly marked Setup Cog, installation is both simple and fool-proofHardened tool steel machined X-Dome design for the cluster and stamped steel 38T and 44T cogs are pinned to the lighter weight aluminium 12th gear55mm chainline compatibility for more moderate chain angle, longer wear and greater precision. Setup Cog for fool-proof set up. Utilizes well accepted and broadly available XD driver body.Features X-DOME with a lighter aluminium 12th gearEngineered as integrated and interdependent transmission components, the XX Eagle Transmission Cassette and derailleur contact directly, ensuring perfect alignment on every bike. From its massive 520% gear range, the 52 tooth cog steps down with improved gear progression with 44 and 38 tooth cogs in the low end (compared to the Eagle drivetrain 10-52-tooth cassette). It lasts far longer and delivers more precision with the use of less extreme chain angles throughout the entire range. Featuring a clearly marked Setup Cog, install is both simple and fool-proof. Utilizes hardened tool steel machined X-Dome design for the cluster and stamped steel 38T and 44Tcogs are pinned to the lighter weight aluminium 12th gear. (Spider Cog).Specification:Speed (CS): 12sGearing: 10-52tCog finish (Cassette): BlackTechnology (Cassette): XSCog sizes: 10-52t:10,12,14,16,18,21,24,28,32,38,44,52Weight Based On: Engineering EstimateWeight (g): 341