Prepare to rule the trails like never before with theSRAM XG-1299 XX1 Eagle 12-Speed Cassette – the undisputed champion of mountain bike cassettes. With its revolutionary tooth gear range, you can finally bid farewell to the pesky front derailleur and enjoy endless possibilities with your Eagle groupset. And thanks to its compatibility withthe reliable XD driver body, this 12-speed cassette boasts an unbeatable 500-percent gear range. Plus, the X-Dome architecture is the strongest on the market. With improved inboard and outboard shifting and superior chain retention, this cassette will take your performance to new heights. And don’t forget – it looks just as good as it performs.