HappyRun Electric Bicycle Front Hub

HappyRun Electric Bicycle Front Hub

Overview

The HappyRun Front Hub adds pedal assist to your bike. It uses a front hub motor and works with your existing battery and controller. Fits 26"–29" wheels. Easy to install. No hype—it's a practical upgrade, not a space rocket.

Benefits

  • Adds pedal assist without frame mods.
  • Helps on hills and into headwinds.
  • Quiet operation for a natural ride feel.
  • Low maintenance with sealed components.
  • Lightweight hub design keeps overall bike weight reasonable.
  • Works with your existing battery and controller setup.

Features

  • 250W nominal front hub motor for steady assist.
  • Integrated controller and wiring for a clean install.
  • 36V electrical system standard (compatible with common setups).
  • Weather-sealed housing for everyday riding (IP54).
  • Disc brake compatibility with common front configurations.
  • Supports QR and thru-axle front wheel options where available.

Specifications

  • Motor: 250W nominal
  • Voltage: 36V
  • Max torque: up to 40 N·m
  • Wheel compatibility: 26"–29" wheels
  • Weight: ~3.2 kg (hub only)
  • Max assist speed: up to 25 km/h (typical Class 2)
  • Ingress protection: IP54
  • Included parts: hub, controller, wiring harness, installation hardware
  • Note: Requires a compatible battery and bike controller setup

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