ONESPORT OT08 User Manual


User Manual – ONESPORT OT08

All-Terrain Electric Bicycle (Simple Version)

1. Important Safety Information

⚠️ Strictly follow charging and storage instructions to limit the risk of fire and battery damage.

  • Wear a helmet and appropriate protective gear.
  • Comply with local regulations concerning e-bikes (25 km/h speed limit if applicable).
  • Before each ride, check: tire pressure, brake function, battery charge level, tightness of components (handlebars, stem, wheels).
  • Do not modify or disassemble the electrical system. Any intervention must be carried out by a qualified technician.

2. Bicycle Overview

The ONESPORT OT08 is an all-terrain electric bicycle designed for mixed urban and leisure use. It prioritizes ease of use, robustness, and a battery range suitable for daily commutes and light off-road rides.

Main Features

  • Motor: 500 W Brushless (250 W limited version for CE compliance possible).
  • Battery: Lithium 48 V / 15 Ah, removable and lockable.
  • Range: approximately 170–190 km in pedal-assist mode (PAS), 85–95 km in electric-only mode, depending on terrain, rider weight, and chosen assist level.
  • Maximum Speed: 25 km/h homologated (assistance). Higher speeds possible only on private land according to regulations.
  • Tires: 20 × 4.0″ fat tires for stability and comfort.
  • Brakes: Mechanical disc brakes, front and rear.
  • Suspension: Front fork + rear shock absorber (depending on version).
  • Display: Multifunction LCD: speed, battery level, distance, PAS mode.
  • Net Weight: ≈ 37.5 kg.
  • Maximum Load: 120 kg (rider + cargo).
  • Waterproof Rating: IPX4 (resistant to water splashes).

3. Box Contents

Item Description
1 × ONESPORT OT08 Electric Bicycle Main bike, partially assembled (frame, rear wheel/motor, battery installed).
1 × Lithium-ion Battery 48 V / 15 Ah Removable and lockable with key, integrated into the frame.
1 × Charger 48 V / 2 A Full charge in 6–8 hours. Mains cable included.
2 × Battery Keys For secure locking and removal of the battery.
1 × Assembly Tool Kit Allen keys and wrenches for final assembly (pedals, handlebars, front wheel).
1 × Pair of Pedals Anti-slip aluminum pedals to be installed.
1 × Front and Rear Mudguard Protects against mud and water splashes.
1 × Quick Connection Cable To connect controller, motor, and LCD display.
1 × User Manual Complete instructions and safety guidelines.

4. Setup and Assembly

  1. Unpack and check all items. Keep packaging if return is necessary.
  2. Install the handlebars: position on the stem, center, then tighten screws to the recommended torque.
  3. Install the pedals: right (R) clockwise, left (L) counter-clockwise.
  4. Check wheel and brake assembly and tightening.
  5. Install the battery in its rail, lock with the key.
  6. Perform a full charge before first use (6–8 hours).

5. Battery Installation and Removal

  1. Open the battery lock with the key.
  2. Grasp the battery by the handle and pull it along the rail to remove it.
  3. To reinsert: align the battery with the rail, push until it clicks, turn the key to lock.
  4. Do not force or place the battery on wet or conductive surfaces.

6. Charging

  • Use only the supplied charger (48 V / 2 A).
  • Charge directly on the bike (frame port) or off the bike (battery removed).
  • Charging time: approximately 6–8 hours for a full charge.
  • Extended storage: keep battery at 40–60% charge and recharge every 1–2 months.
  • Avoid extreme temperatures during charging and storage.

7. Startup and Controls

  • To turn on: press and hold the power button on the LCD screen until it lights up.
  • To turn off: hold the power button until it shuts down.
  • Display: speed, battery level, distance, assist level (PAS).
  • Adjustment: '+' / '–' to change the assist level.
  • Throttle: present depending on version — use with caution.

8. Riding and Safety

  • Comply with local regulations and speed limits.
  • Brake gradually: prioritize front/rear balance to avoid locking up.
  • Wear visible clothing at night; turn on front/rear lights.
  • Avoid flooded roads, deep water crossings, and high-pressure washing on components.

9. Care and Maintenance

  • Cleaning: damp cloth, avoid strong jets or immersion.
  • Lubrication: chain and moving parts regularly.
  • Regular checks: tire pressure, pad wear, screw tightness.
  • Check battery condition and connections; replace if excessively worn.
  • For electrical interventions, consult an authorized professional.

10. Troubleshooting and Error Codes

Code / Situation Probable Cause Recommended Action
Bike does not turn on Battery dead or improperly installed, loose connection Check charge, reconnect battery, check cables. Charge if necessary.
No pedal assist PAS sensor improperly connected or defective Check sensor connection, restart, contact support if problem persists.
Abnormal motor noise / vibrations Loose fasteners, debris, or wear Check tightness, inspect wheels and motor, consult a workshop if needed.

11. FAQ

Question Answer
What is the range? Approximately 50–80 km depending on assist level, terrain, and rider weight.
What is the maximum speed? 25 km/h (assisted). Some unrestricted 500 W motor variants can achieve more on private land.
How to charge the battery? Use the supplied 48 V / 2 A charger; charging time 6–8 hours. Charge in a dry and ventilated area.
Can I ride in the rain? IPX4: resistant to splashes. Avoid immersion and high-pressure washing.
What is the maximum load capacity? 120 kg (rider + cargo).
Where can I find the complete manual? Complete manual and spare parts available via the seller or official product page.

12. Warranty and Support

  • Manufacturer's warranty typically 12 months (check seller's terms).
  • Retain proof of purchase for all warranty claims.
  • For technical support, contact the seller or an authorized service center.