Deore Bl-M4100/Br-Mt420 Disc Brake+Lever Hydraulic Resin Pad
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4-piston hydraulic disc brake delivers powerful, intuitive stopping for aggressive trail riding
What Our Gearhead® Experts Are Saying:
"I love how the Deore BL-M4100/BR-MT420 setup brings four-piston power to a value-friendly package. The lever feel is crisp, and the modulation is spot-on for technical descents or fast trail sections. It’s easy to set up, and the I-Spec EV compatibility keeps my cockpit clean and dialed. This is my go-to for riders who want reliable, confidence-inspiring braking without breaking the bank."
We trust the Shimano Deore BL-M4100/BR-MT420 Disc Brake to keep our rides under control when the trail gets steep and rowdy. Shimano’s Deore line is known for delivering performance and reliability, and this four-piston hydraulic system is no exception. The BL-M4100 lever offers a comfortable, ergonomic feel with quick engagement and a shorter free stroke, letting us focus on the ride instead of our brakes. The BR-MT420 caliper brings consistent, powerful stopping power, so we can charge into technical descents and tight corners with confidence. With easy installation and maintenance, plus I-Spec EV compatibility for a tidy cockpit, this brake is ready for everything from all-mountain adventures to aggressive trail sessions
Details
- Recommended for trail, enduro, and all-mountain riding
- 4-piston hydraulic caliper delivers high braking power and control
- BL-M4100 lever features quick engagement and ergonomic 2-finger design
- I-Spec EV compatible for integrated shifter mounting
- Mineral oil hydraulic fluid for smooth, low-maintenance performance
- Tool-based reach adjustment for personalized lever feel
- One-Way Bleeding system simplifies maintenance
- Compatible with post-mount frames and a range of rotor sizes
- Item #SHIU1SM
- Lever
- BL-M4100
- Lever Adjustability
- tool
- Actuation
- hydraulic
- Caliper
- BR-MT420, 4 piston
- Mount Type
- post
- Fluid
- mineral oil
- Rotor Size
- 140-220mm
- Includes
- D03S-RX Resin pads
- Activity
- enduro, trail
- Manufacturer Warranty
- 2 years
- Manufacturer Part Number
- BL-M4100, BR-MT420
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