Here are the factory specifications for the brake system for the Ducati Supersport 939
Front Brake:
-2x320mm (12.6") semi-floating discs
-Radially mounted Monobloc Brembo M4-32 calipers
-4 piston
-Radial pump with ABS as standard
Rear Brake:
-245mm (9.6") disc
-2 piston caliper
-ABS as standard
Front Brake:
-2x320mm (12.6") semi-floating discs
-Radially mounted Monobloc Brembo M4-32 calipers
-4 piston
-Radial pump with ABS as standard
Rear Brake:
-245mm (9.6") disc
-2 piston caliper
-ABS as standard
