The hydraulic 4-piston disc brake from Shimano with DEORE BL-M4100 2-finger brake lever and BR-MT420 caliper fits seamlessly into the line-up of the new DEORE M4100 component group.
High braking power with 4-Piston: Disc Brake DEORE BL-M4100 / BR-MT420 from ShimanoÂ
Features – Shimano DEORE BL-M4100 / BR-MT420 4-Piston Disc Brake Set
- Intuitive and powerful braking
- Quicker brake engagement with shorter free stroke
- Rider tunable and action-optimized cockpit
- High-performance brake control
- Additional contact point for a stiffer brake lever
- 4-Piston Caliper Brake
- Caliper for Postmount Brake
- Optimized ergonomic 2-finger brake lever
- One-Way bleeding
- I-Spec EV compatible – securing the shift lever on the brake lever
- Rotors in 140, 160, 180, 203mm are available separately!
Product features
- Use: MTB
- Group:Â DEORE M4100
- Model:Â BL-M4100 / BR-MT420 (front+rear)
- Brake type: Hydraulic Disc-Brake
- Brake lever:Â BL-M4100
- Lever length: 2-Finger
- Mount: left + right
- Clamp: open
- Mounting system:Â I-Spec EVÂ (I-Spec EV is not compatible with I-Spec II and I-Spec B shifters!)
- Reach adjustment:Â No
- Caliper: BR-MT420 (4-Piston)
- Brake mounting: Postmount
- Brake pads:Â D03S Resin without Fin
- Brake hose: SM-BH90-SS
- Brake hose lengths: front 1000mm + rear 1700mm (shortable)
- Cable connection:Â Straight brake lever / Straight caliper
- One-Way bleeding: Yes
- Brake fluid: Mineral oil
- Recommended brake rotor:Â SM-RT64, SM-RT66
Material
- Lever: Aluminum
- Caliper: Aluminum
Color
- black
Weight
- Front approx. 297g (without Rotor and Adapter)
- Rear approx. 312g (without Rotor and Adapter)
Scope of delivery
- 2 Brake levers DEORE BL-M4100 left + right
- 2 Brake calipers BR-MT420 (4-Piston)
- 2 Brake hoses SM-BH90-SBM 1000mm + 1700mm long (shortable)
- 2 Tube Joint Kits
- 2 Brake pads D03S Resin without Fin
- 4 Screws for brake caliper
- The brake hoses SM-BH90-SS are with mineraloil filled and pre-mountedon the calipers BR-MT420!

















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