Speed without sacrificeFor dream builds and podium chasers alike, the SRAM XG-1299 Eagle cassette delivers unmatched range and top-tier performance.SRAM's 12-speed cassettes offer huge gear ranges and are lighter than 2x systems.Provides massive gear range at the lightest weights for brutal steeps and avoiding hike-a-bikesStronger riders can increase chainring size for speed, without sacrificing climbingSmoother, quieter system with enhanced inboard and outboard shift performanceCompatible with XD-Driver freehubOpen design aids in mud clearance for cleaner shifting and longer component lifeOptimized gear steps across entire range