MEROCA IIIPRO E4 Hydraulic Disc Brake Set - 4-Piston MTB Brakes, 641N Braking Force, TUV Certified, Lightweight 475g, for Mountain/E-Bike/Folding Bicycles

Dominate Every Trail with Pro-Level Control Upgrade your ride with the E4 Hydraulic Disc Brakes – engineered for riders who demand uncompromising stopping power. Whether you're shredding mountain singletracks, commuting on an e-bike, or navigating city streets on a folding bicycle, these brakes deliver German TUV-certified safety and precision. Why Professional Cyclists Choose E4: Unmatched Braking Force: 4 large pistons generate 641N (front dry) and 516N (rear dry) of linear stopping power, with consistent wet-weather performance (542N/445N). Engineered for Endurance: CNC-machined aluminum calipers + copper-ceramic pads with cooling fins reduce fade during long descents. Featherlight Performance: At just 475g/set, our magnesium-aluminum alloy system won’t weigh down your cockpit. Rider-Focused Design: Ergonomic levers with bearing pivots and reach adjustment (2mm hex key included) provide glove-friendly control. Technical Excellence: ・TUV Bauart Certified (ISO 4210-2:2015) ・Rotor Compatibility: 160/180/203/220mm ・Temperature Range: -30°C to 200°C ・Includes front/rear hoses (800mm + 1550mm) ⚠️ Pro Tip: Always remove caliper protector blocks before installation. Never squeeze levers without rotors! POWERED BY IIIPRO | Model: E4 | Color Options: 7 metallic finishes

• Powerful & Safe: German TUV certified with max 641N dry braking force (front) and 516N (rear). Superior wet performance (542N front/445N rear) ensures reliable stops in all weather
• 4-Piston Precision: CNC-machined aluminum caliper with synchronized pistons delivers ultra-smooth, even clamping force. Prevents rotor warping and offers instant braking response
• Ultra-Lightweight: Total weight only 475g (230g front + 245g rear). Magnesium-aluminum alloy construction maximizes strength while minimizing drag for agile rides
• Versatile Compatibility: Fits 160-220mm rotors. Ideal for MTB, folding bikes, and e-bikes (max speed 25km/h). Includes 800mm/1550mm hoses for easy installation
• Advanced Heat Control: Aluminum-finned brake pads boost heat dissipation by 25%. Seals withstand -30°C to 200°C extremes. CNC lever with bearing pivot ensures buttery-smooth modulation