Miche cassettes are engineered in Italy to give you complete compatibility with your relevant choice of components. Ramping and shift positions are largely kept the same as the original manufacturer but Miche give you alternative ratios, great performance, precision machining and keen pricing.
Primato 9x Campagnolo cassette

Campagnolo 9 speed compatible 
Special heat treated steel sprockets, chrome-plated
Special heat treated steel lock ring
Resin spacers
250g (12 - 21)

Gear Increments

MCX30: 12/13/14/15/16/17/19/21/23
MCX31 13/14/15/16/17/19/21/23/26
MCX32: 13/14/15/16/17/19/22/25/28
MCX33: 12/13/14/15/17/19/21/23/25 
MCX34: 12/13/15/17/19/21/23/26/29