Miche Primato Pista High Flange Hubs Pista/Strada (fixed/free). Flip-flop rear hub with double thread for quick change between fixed gear and freewheel sprocket. Fixed: designed for Miche sprocket carriers and sprockets. Free: for freewheel sprocket with English threading. Hub width rear/front: 120mm/100mm, chain line: 42mm, material: brushed and anodised aluminium hub body with full steel axle, 32 holes, colour: black. Rear wheel hub incl. lockring and axle nuts, but without sprockets.