Miche have always been known for their "Made In Italy" quality products and their hubs are loved by wheel builders all over the world.
These disc wheel spares can be used on a number of Miche DX (disc) hubs.
MCSP49: 142mm Rear axle for DX rear wheel

RPAXLR9 to convert Bolt-Thru rear hub to 135mm Quick Release.

MCHAX5: Miche DX TX12 to QR Front Axle W/End Caps

MCHAX6: Miche DX TX12 To QR Rear Axle

MCSP990: End Cap for Rear Hub Non-Drive-Side TX12 CL.