ONESPORT W77 User Manual

ONESPORT W77 Manual

User Manual – ONESPORT W77

Adult Electric Bicycle

1. Important Safety Information

⚠️ Potential fire risk: strictly adhere to charging and storage instructions.

  • Wear full protective gear when operating.
  • Comply with local laws and regulations regarding electric bicycles.
  • Before each ride, perform a pre-ride check:
    • Check tire pressure
    • Verify brake function
    • Check battery charge level

2. Product Overview

The ONESPORT W77 is designed for urban commutes and off-road adventures. Its combination of power, range, and comfort makes it a versatile companion.

Key Features

  • Model: W77 Electric Bicycle
  • Frame: Steel
  • Front fork: 135 mm travel
  • Motor: 48V 250W nominal, 48V 500W peak, brushless
  • Battery: Lithium 48V 18Ah, removable, energy-saving BMS
  • Display: 3.5" LCD with Bluetooth
  • Max speed: 25 km/h (legal limit)
  • Range: 80–90 km depending on terrain and assistance level
  • Charging time: 8–9 h (54.6V 2A charger)
  • Tires: 20 × 4.0 inch fat tires
  • Transmission: Shimano 7-speed
  • Brakes: Hydraulic disc brakes, front and rear
  • Net weight: 43.18 kg
  • Gross weight: 53.68 kg
  • Package dimensions: 1505 × 307 × 886 mm
  • Recommended height: 160–200 cm
  • Max load: 90 kg
  • Water resistance: IPX4
  • Torque: 65 N.m
  • Suspension: Dual suspension

3. Unpacking and Assembly

  • Unpacking: carefully remove all parts. Keep the packaging.
  • Handlebar installation: place it on the stem, center, and tighten properly. Adjust the angle.
  • Pedal assembly:
    • Left (L): screw counter-clockwise
    • Right (R): screw clockwise
  • Saddle adjustment: feet lightly touching the ground, knees slightly bent.
  • Tire inflation: 20 × 4.0 inches according to the pressure indicated on the sidewall.
  • Brake check: check the function of the front and rear hydraulic brakes.
  • First charge: full battery charge (8–9 h) before first ride.

4. Getting Started

  • To turn on: hold the power button on the 3.5" LCD screen until it lights up.
  • To turn off: hold the power button until it shuts down.

5. Display and Controls

  • Display: speed, battery level, assistance level, distance traveled
  • Assistance levels: '+' and '-' to adjust pedal assist

6. Riding

  • Pedal assist: motor provides assistance according to the selected level.
  • Throttle: provides power without pedaling (if equipped).
  • Gear shifting: Shimano 7 speeds according to terrain.
  • Braking: apply gradually and balanced front/rear.

7. Battery and Charging

  • Only use the supplied charger (54.6V 2A)
  • Charge in a dry and well-ventilated area
  • Do not leave charging unattended for extended periods
  • Long-term storage: 50–70%, recharge every 1–2 months
  • Avoid extreme temperatures
  • Removable battery: facilitates charging and security

Key features: 80–90 km range, IPX4, energy-saving BMS.

8. Maintenance

  • Regular cleaning with a damp cloth, no high-pressure jets
  • Check and replace brake pads
  • Maintain optimal tire pressure and condition
  • Lubricate the chain and check bolts
  • Protect electrical components from water and corrosion

9. Troubleshooting

  • Bike won't turn on: battery incorrectly installed, not charged, loose cables
  • Motor no assist: assistance level, battery, brakes not engaged
  • Soft brakes: worn pads, hydraulic bleed, misaligned calipers
  • Unusual noises: loose components, dry chain, check wheels and motor

For any persistent issues, contact support or a qualified technician.

10. Usage Tips

  • Wear a helmet and safety gear
  • Range varies depending on terrain, weight, and assistance level
  • Maintain optimal tire pressure
  • Use Bluetooth for tracking and settings via app
  • Lock the bike and removable battery when parked

11. Warranty and Support

For any warranty claims, technical support, or spare parts:

  • Contact the seller or manufacturer
  • Retain proof of purchase