Token Products CNC 11-25 Shimano/Sram 11-Speed Cassette Specially engineered to fit 10 or 11 speed cassette Body CNC Machined one piece CROMO for durable, lightweight and smooth shifting Shimano / Sram Compatible Weight: 185 grams (11-28) 11,12,13,14,15,16,17,19,21,23,25