SRAM XS-1275 GX Eagle T-Type CassetteSRAM XG 1275 Eagle Cassette 12 Speed, 10 50T 10 52T Take your ride to the next level with the SRAM XG 1275 Eagle Cassettebuilt for riders who demand smooth shifting, durability, and an unbeatable gear range. With SRAMs full X Range gearing, this 12 speed cassette provides crisp, precise shifting across a massive 10 50T or 10 52T range, ensuring you're always in the right gear whether climbing steep trails or hammering descents. The Full Pin technology