HB876E 4 Piston Ebike Hydraulic Disc Brake Set With Power Off Sensor 160mm Rotors 2 Pin Or 3 Pin Connectors Pre Bled Levers And Calipers Easy Install Pre Assembled Hose Kit

4-Piston eBike Hydraulic Disc Brake Kit with Power-Off Sensor
✔️ Prebled levers, 4-piston calipers, 180mm rotors, 2/3-pin options

This e-bike hydraulic brake kit delivers strong, controlled stopping power for heavy electric bikes. Designed to mount on most city, mountain, and commuter e-bikes, it integrates a built-in power-off sensor to safety-cut the motor when you brake. Easy install is boosted by pre-assembled hoses and a ready-to-use setup.

✅ 4-piston hydraulic calipers provide strong braking force for heavy e-bikes
✅ 180mm rotors with pre-installed semi-metallic pads for low noise and durability
✅ Pre-bled with mineral oil, ready to install right out of the box
✅ Pre-assembled hoses: front 950mm, rear 1850mm for quick setup
✅ 2-pin waterproof connectors (3-pin option may need simple rewiring)
✅ Pad model compatibility with BR-M8120/M7120 for easy future replacement

💡 What is a power-off sensor on an e-bike brake kit and why does it matter? Power-off sensors cut motor power when braking, improving safety and control.
- Integrated motor cut-off linked to lever
- Helps prevent unintended acceleration during braking
- Works with 2-pin connectors; some 3-pin setups may require rewiring

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