T-Type compatible, 10-52t 12 speed cassetteSplined 8, 9, 10 Speed driver body compatible55mm chainline - compatibility for more moderate chain angle, longer wear and greater precisionApproved for aluminum driver body use as well as steel on both MTB and E-MTB applicationsFull X-SYNC design for best-ever inboard and outboard shifting performance under loadGears 8-12 are a replaceable clusterUnique black nickel chrome finish10-52t12sp10,12,14,16,18,21,24,28,32,38,44,52Black/Silver565XS1270Shi 8-10sUPC/EAN/GTIN: 710845904684