Sturdy and lightweight anodized aluminum construction ensures long-lasting durability and corrosion resistance for reliable performance in all weather conditions. Equipped with a 4-piston caliper design, this hydraulic disc brake provides superior modulation and increased stopping power-ideal for aggressive trail riding and downhill descents. Features a sleek, race-inspired BL-MT401 lever with customizable reach adjustment, enabling a comfortable, secure grip for riders with smaller hands or varied hand sizes. Designed for easy maintenance, the set includes a one-way bleed caliper and J-Kit hose connection system, simplifying setup and ongoing servicing for shop and DIY enthusiasts. Optimized for MTB use with resin brake pads and compatibility with post-mount calipers, making it a versatile upgrade for performance-focused mountain bikers seeking reliable, precise braking. Upgrade your mountain biking experience with the BR-MT420 Disc Brake and BL-MT401 Rear Hydraulic Lever - a high-performance braking system engineered for reliable all-mountain control and downhill confidence. Designed for serious riders seeking precise stopping power, this set combines innovative components, advanced materials, and sleek style for optimal performance on rugged trails. Materials & Construction: Featuring an anodized aluminum lever, the BR-MT420 and BL-MT401 combo boasts durability, corrosion resistance, and lightweight handling. The sturdy 4-piston caliper delivers superior stopping power while maintaining a lightweight profile essential for demanding trail riding. Performance & Engineering: Equipped with a four-piston caliper, this hydraulic system offers enhanced brake modulation and increased pad contact area, providing greater control on steep descents and technical terrains. The hydraulic actuation using mineral oil ensures smooth, consistent braking performance under varied conditions, reducing hand fatigue during extended rides. Components & Technology: - 4-Piston Caliper: Provides balanced braking force, increased modulation, and shorter stopping distances. - Hydraulic Brake Lever: Features a sleek, 2-finger design with adjustable reach, ideal for smaller hands and customized fit. The minimum reach of 75mm allows for precise control tailored to your grip preferences. - One-Way Bleed Caliper & J-Kit Hose Connection: Simplifies maintenance and ensures hassle-free bleeding for consistent brake feel and reliability. - Included Resin Brake Pads: Offer quiet engagement and excellent modulation for varied trail conditions. Style & Use Case: Designed with a matte black finish and sleek racing-inspired aesthetics, this hydraulic disc brake set complements a wide range of mountain bikes-from trail and enduro to all-mountain builds. Its powerful stopping capability is perfect for aggressive riding styles, technical descents, and demandi