The Shimano Deore BL-M4100/BR-MT420 Hydraulic Disc Brake provides high-powered four-piston braking at an incredible price.

Features:

• Pre-bled for easy setup and installation
• 4-piston caliper for reliable stopping power in all conditions
• Includes resin brake pads
• Compatible with I-SPEC EV integrated brake and shifter setups

Specifications:

Brake Type: Hydraulic

Brake Fluid: Mineral Oil

Brake Mount: Post Mount

Brake Pads: Organic/Resin

Hose Length: 1000mm (Left), 1700mm (Right)

Pistons: 4

Lever Clamp: I-Spec EV Compatible (22.2mm)

Color: Grey

Weight: –

This product was added to our catalog on August 25, 2025