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 11x Campagnolo cassette* Campagnolo 11 speed compatible.* Special heat treated lightened steel sprockets * Opaque chrome-plated CNC finish* ERGAL 7075 anodized lock ring* Resin spacers* Weight: 254g (11-21)**Gear Increments*** MCX10: 11/12/13/14/15/16/17/18/19/21/23* MCX11: 12/13/14/15/16/17/18/19/21/23/25* MCX1131: 11/12/13/14/15/17/19/21/23/26/29* MCX12: 12/13/14/15/16/17/19/21/23/25/27* MCX13: 12/13/14/15/16/17/19/21/23/26/29