Beefy 4-Piston Hydraulic Disc Brake Kit For E-Bikes And Mountain Bikes, 2-Pin System, Auto Power-Off Sensor, Aluminum Lever And Caliper, Front 1100mm Left, Rear 1850mm Right, PM Adapter Included, Pro-Grade Stopping Power

Beefy 4-Piston Hydraulic Disc Brake Kit for E-Bikes
✔️ Front+Rear kit with 1100mm/1850mm hoses, auto power-off

This pro-grade hydraulic brake kit delivers strong stopping power for e-bikes and mountain bikes, typically used on both front and rear wheels to provide reliable braking in rugged terrain.

✅ Four-piston hydraulic caliper provides stronger stopping power than two-piston designs
✅ Pre-bled mineral oil fluid and unboxing-ready installation
✅ Auto power-off sensor + 2-pin connectors for quick safety shutoff
✅ Front hose 1100 mm (43.3 in); Rear hose 1850 mm (72.8 in)
✅ Includes PM adapter; left-side rotor compatibility; Front+Rear-Red

💡 What is a four-piston hydraulic brake kit used for on e-bikes and mountain bikes?

This setup is handy for riders who demand reliable, strong braking across varied terrain.

- Increased clamp force and heat handling during long descents
- Compatible with 2-pin e-bike connectors and includes auto power-off sensor
- Pre-bled mineral oil delivers ready-to-install performance without extra bleeding
- Front and rear kit ensures balanced braking across the bike
✝️