ZTZ 4-Pistons 2-PIN Power-Off Pre-Bled with Mineral Oil Brakes Kit Thick Rotors for eBike, Mountain Bike, Road Bike

【4-Piston Powerful Braking】ZTZ hydraulic brake calipers feature 4 oil pressure pistons, providing superior braking capacity compared to 2 pistons, ensuring easier and safer braking.Pre-bled with eco-friendly mineral oil, these brakes are ready for action.Avoid squeezing the brake lever when the caliper is not clamped on the protective pad or brake rotor to prevent oil leakage 【Tailored for E-bikes/Electric Scooters】ZTZ hydraulic brake system is equipped with a brake automatic power-off sensor and 2-pin connectors.The sensor receives the braking signal, cutting off the motor's power output for a quick and safe braking experience.The automatic power-off feature enhances control and responsiveness 【Optimal Hose Length】Ensure seamless installation by confirming the required hose length before purchasing.The front brake hose measures 950mm (37.4inch), and the rear brake hose is 1850mm (72.8inch) 【Compatibility】The brake comes with a mounting adapter for a 160mm rotor and can be used with a 180mm/203mm rotor adapter for additional compatibility.The brake is suitable for rotor thicknesses of 1.8mm 【Installation Guidelines】This brake system is designed for E-bikes/scooters with left-side brake rotors and is not compatible with those featuring right-side brake rotors.

The caliper hose and control lever are separated for easy internal routing