Shimano BR-MT420 BL-MT401 4-Piston Hydraulic Disc Brake Front Rear Set (OE)
SHIMANO - 4-Piston - Hydraulic Disc Brake Caliper. SHIMANO BR-MT420 BL-MT401 DISC BRAKE. Hydraulic Disc Brake Lever. Default Type: Left for Front and Right for Rear / Left for Rear and Right for Front.