The BR-MT520 4-Piston Disc Brake is Shimano's entry level 4 Piston Brake. 

With a strong, 4-piston design, the BR-MT520 hydraulic disc brake boosts rider confidence and enjoyment. They come with heat insulated pads and pistons for improved heat management and improved modulation from their sleek looking 4 piston design.  These are an excellent choice for a wide range of applications including eBikes, Enduro and Trail Bikes.


Wider contact area of dual diameter opposed-piston design
Four Piston Caliper
Highly responsive braking power for greater control
Rapid initial pad contact and controllable brake power modulation
Stable braking and greater durability
Sleek and durable master cylinder design
Heat insulated pad and piston


Brake hose (Kit) SM-BH90-SS
Brake Type Hydraulic disc brake
Caliper fixing bolt/ Anti loosen method Snap Ring
Caliper fixing bolt Tool size 5mm
Hose joint Straight
Mount Type Post Type
Oil Shimano Mineral Oil
One Way Bleeding Yes
Pad Standard D03S resin | D02S Metal
Pad Mount Split pin
Recommendations Recommended brake lever: BL-MT501
Recommended disc brake rotor: SM-RT70
Compatibile Rotor Sizes 140mm, 160mm, 180mm, 203mm

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