SRAM XG-1275 Eagle 12sp Cassette. Features: Full Pin technology uses lightweight, stamped steel cogs held together with high-strength stainless steel pins Open design aids in mud clearance giving you cleaner shifting performance and longer component life X-GLIDE 2 improves both inboard and outboard shifting, as well as chain retention The XG-1275 cassette meets durability requirements for E-MTB applications Specs: Model: XG-1275 Freehub Type: XD Speed: 12 Range: 10-50 Cogs: 10,12,14,16,18,21,24,28,32,36,42,50 Color: Black Weight: -