SRAM Cassette sprocket XG-1295 12-speed 10-50T black

SRAM, Cassette sprockets, XG-1295, MTB, 12-speed, 10-50 teeth (10,12,14,16,18,21,24,28,32,36,42,50), black, X-Dome, X Glide 2, compatible with: Eagle 12-speed chains and rear derailleurs, weight: about 335g