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The Shimano BR-MT420 / BL-M4100 Hydraulic Disc Brake with Resin Pad is a no-nonsense four piston brake set that gets the job done with a minimum of fuss. It has predictable modulation to go along with those four pistons, fighting heat as you feather your way down heavy terrain.
Compatible with I-SPEC EV
Lever Material – Aluminum
Adjustable Reach Lever
Number of Pistons – 4
Caliper Mount Type – Post Mount
Fluid Type – Mineral Oil
Pad Compound – Resin