The hydraulic 4-piston disc brake BR-MT420 for the front wheel in combination with the 2-piston disc brake BR-MT410 for the rear wheel and the 2-finger brake lever DEORE BL-M4100. It fits seamlessly into the strong line-up of the new DEORE M4100 group. Thanks to faster response and shorter idle travel, the brake lever allows intuitive braking and thus more concentration on the trail.
4-piston disc brake with excellent braking power for front and 2-piston rear for perfect dosing: DEORE BL-M4100+BR-MT420/410 from Shimano
Features – Shimano DEORE BL-M4100+BR-MT420/410 Disc Brake Set | J-Kit
- Front 4-Piston Caliper
- Rear 2-Piston Caliper
- 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
- 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:
- BL-M4100 / BR-MT420 (front)
- BL-M4100 / BR-MT410 (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:
- Front BR-MT420 (4-Piston)
- Rear BR-MT410 (2-Piston)
- Brake mounting: Postmount
- Brake pads:
- Front D03S Resin without Fin
- Rear B01S Resin without Fin
- Brake hose: SM-BH90-SS / SM-BH59-JK-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. 307g (without Rotor and Adapter)
Scope of delivery
- 2 x Brake lever DEORE BL-M4100 left + right
- 1 x Brake caliper BR-MT420 (4-Piston)
- 1 x Brake caliper BR-MT410 (2-Piston)
- 2 x Brake hose 1000mm SM-BH90-SS + 1700mm SM-BH59-JK-SS long (shortable)
- 2 x Tube Joint Kit
- 1 x Brake pads D03S Resin without Fin
- 1 x Brake pads B01S Resin without Fin
- 4 x Screw for brake caliper
- J-Kit – The brake hoses SM-BH59/SM-BH90 are with mineraloil filled and pre-mountedon the calipers BR-MT420!
















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