SRAM Drivetrain Components | Cycling SRAM XX Eagle Transmission T-Type XS-1297 12-Speed Cassette Silver|Black

Full X-SYNC design allows for optimal inboard and outboard shifting performance under load  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  Optimized gear steps on low end  X-DOME technology features a hardened tool steel machined cluster paired with stamped steel 38T and 44T cogs, which are pinned to the lighter weight aluminum 12th gear  55 mm chainline compatibility for more moderate chain angle, longer wear and greater precision  Clearly marked Setup Cog makes installation easy  10–52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 38, 44, 52  Utilizes well accepted and broadly available XD driver bodies (not included)
Best Use Mountain Biking Material(s) Steel/aluminum Speeds 12-speed Compatible Freehub SRAM XD Weight 378 grams