Star Union 221PYDZ + KQ169 Hydraulic Disc Brake Kit with Integrated Sight Glass

Star Union 221PYDZ + KQ169 Ebike Hydraulic Disc Brake Kit

“The Star Union 221PYDZ + KQ169 hydraulic brake kit features stable braking performance, an integrated sight glass for easy brake fluid level monitoring, and a motor power cut-off system for enhanced riding safety. Designed for 1.8mm rotors, this configuration is ideal for high-torque urban and utility e-bikes.”

Vehicle Compatibility

This brake kit is commonly used on Super73 E-bikes and other similar frame designs.
Please confirm hose length and mounting standard before ordering.

System Configuration

Front Brake (Left Hand Control)

• Caliper: KQ169

• Hose Length: 1000mm

• External hose routing

• Brake Pad: LP-32

• Pre-filled for 1.8mm rotor thickness

• Rotor: Not included

• Adapter: Not included

Rear Brake (Right Hand Control)

• Caliper: KQ169

• Hose Length: 1800mm

• External hose routing

• Brake Pad: LP-32

• Pre-filled for 1.8mm rotor thickness

• Rotor: Not included

• Adapter: Not included

Electrical Cut-Off Wire

• Model: HG-F.S-Z209BG

• Connector: 2-pin (male)

• Cable Length: 2 × 150mm

• Compatible with most e-bike motor cut-off systems

  Product Specification

  Item	Specification
  Brake Type	Hydraulic Disc Brake
  Parking Function	Yes
  Oil Cup / Mirror Mount	No
  Rotor Thickness	1.8mm
  Brake Pads	LP-32
  Hose Routing	External
  Front Hose Length	1000mm
  Rear Hose Length	1800mm
  Adapter	Not included
  Rotor	Not included