4‑Piston Hydraulic Brake

NUTT 4-Piston Hydraulic Brake

Controlled braking for your electric scooter or e-bike upgrade

The NUTT system uses an open hydraulic design with 4-piston calipers, forged aluminum construction and mineral brake fluid.

  • Open hydraulic system with 4-piston caliper
  • Forged aluminum caliper body
  • Internal or swivel hose routing
  • Heat-dissipating pad compatibility
  • Adjustable reverse-version caliper
  • Black forged aluminum lever

Product Specifications

Applicable Models Selected electric scooters and e-bikes; fitment confirmation is required.
Brake Type 4-piston hydraulic disc brake
Safety Feature Built-in motor power-off sensor, where supported by the selected connector
Braking Performance Stable and powerful braking for daily and high-speed rides
Compatible Rotor Sizes 140 mm and 160 mm, subject to model fitment
Supported Vehicles E-bikes and e-scooters, including selected KuKirin, Joyor, Dualtron and Kaabo Mantis models
Sealing Design Fully sealed, leak-resistant hydraulic structure
Installation Status Pre-bled and fully pre-assembled
Application Scenario OEM replacement and aftermarket upgrade for compatible models

What's Included

Position 01

Front Brake

  • Front 4-piston hydraulic caliper
  • Matching hydraulic brake lever
  • Front hydraulic hose (1350 mm)
  • Pre-installed brake pads
  • Spacer is included selected.

Position 02

Rear Brake

  • Rear 4-piston hydraulic caliper
  • Matching hydraulic brake lever
  • Rear hydraulic hose (2200 mm)
  • Pre-installed brake pads
  • Spacer is included selected.
Fitment reminder: Adapter cables, rotor spacers and washers may vary by scooter model and production year. Contact us if you are unsure.

Choose the Right Braking System

Compare the key differences between standard mechanical brakes and the NUTT 4-piston hydraulic brake system.

Ordinary Brake

Standard cable-driven system

  • Braking performance: Provides basic braking performance
  • Sensor feature: Performance may vary as the cable and components wear
  • Maintenance: Cable stretching requires regular adjustment
  • Braking experience: Requires more hand force for braking
  • Application: Suitable for casual riding
NUTT Premium

NUTT Hydraulic Brake

Advanced 4-piston hydraulic system

  • Braking performance: Provides powerful and consistent stopping performance
  • Sensor feature: Stable performance for demanding riding conditions
  • Maintenance: Hydraulic pressure automatically compensates for pad wear
  • Braking experience: Smooth one-finger braking control
  • Application: Suitable for compatible electric scooters and e-bikes