KMC , cassette sprocket, spare part set 11 speed 11-42

KMC spare part set 11 speed 11-42. 1x sprocket 11T, 1x sprocket 13T, 1x lock ring. Description KMC, Cassette sprocket, Spare part set 11 speed 11-42, 1 lockring, 1 sprocket 11T and 13T in one box...