Simply the best!
Used in MotoGP and WSBK by a majority of the teams and riders for a reason! These are the lightest and most powerful master cylinders available, with the absolute highest build quality possible.
The Brake is available in two size with a folding lever
19x18 size - Use this for Most calipers with 32mm pistons or larger (Brembo M4, HP, GP4-RX, etc)
17 x18 size - Use this with 30mm piston calipers like the Brembo M50 Brake Calipers found on the Ducati Panigale 1299/1199 and on the KTM Super Duke 1290 R.
The Clutch is available in 16x19 size with a folding lever.