Miche Light Primato 11 speed cassette for Campagnolo freehub bodies. They will of course work with Shimano and SRAM 11 speed drivetrains drive trains. 

The Miche cassette uses separate steel sprockets and resin spacers. The lock ring is light weight aluminum alloy. The Miche cassette is available in ratios that are not available from Shimano. The sprockets in the light version are lighter. The big sprocket is aluminium. 

11-25T 11-12-13-14-15-16-17-19-21-23-25T

12-25T 12-13-14-15-16-17-18-19-21-23-25T

14-25T 14-15-16-17-18-19-20-21-22-23-25T

12-27T 12-13-14-15-16-17-19-21-23-25-27T

12-29T 12-13-14-15-16-17-19-21-23-26-29T

11-30T

12-30T 12-13-14-15-17-19-21-23-25-27-30T

16-30T 16-17-18-19-20-21-22-23-25-27-30T