ONESPORT OT05 27.5-inch Electric Bicycle User Manual

1. Introduction

Thank you for choosing the ONESPORT OT05 Electric Bicycle. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new e-bike. Please read this manual thoroughly before your first ride and keep it for future reference.

2. Safety Information

Your safety is paramount. Always wear a helmet and appropriate safety gear when riding. Adhere to all local traffic laws and regulations. Familiarize yourself with the bicycle's controls and features before riding in traffic.

General Safety Guidelines:

• Perform a pre-ride inspection before each use.
• Ensure brakes are functioning correctly.
• Check tire pressure and condition.
• Verify that all quick releases and fasteners are securely tightened.
• Do not ride under the influence of alcohol or drugs.
• Be aware of your surroundings and other road users.
• Avoid riding in adverse weather conditions if visibility is poor or surfaces are slippery.

The ONESPORT OT05 is equipped with front and rear lights for improved visibility. Always use them when riding in low light conditions.

Image: Integrated headlight and taillight for enhanced visibility.

3. Product Overview

The ONESPORT OT05 is a 27.5-inch electric bicycle designed for adults, suitable for both city commuting and light trail use. It features a 250W motor, a removable 36V 18.2Ah battery, and a 7-speed gear system.

Image: Overview of the ONESPORT OT05 Electric Bicycle.

4. Setup and Assembly

Your ONESPORT OT05 electric bicycle comes partially assembled. Follow these steps for final assembly and initial setup.

4.1 Unpacking and Initial Inspection

1. Carefully remove the bicycle and all components from the packaging.
2. Check for any visible damage during transit. Contact customer support immediately if damage is found.
3. Verify that all included parts are present: bicycle frame, front wheel, handlebars, seat post, pedals, charger, tool kit, fenders, bell, and pump.

4.2 Handlebar Installation

Attach the handlebars to the stem, ensuring they are centered and tightened securely. Adjust the angle for comfortable riding.

4.3 Front Wheel Installation

Install the front wheel, ensuring the brake rotor is correctly seated within the caliper. Secure the quick release or axle nuts firmly.

4.4 Seat Post and Saddle Adjustment

Insert the seat post into the frame and adjust the saddle height for optimal pedaling efficiency and comfort. Ensure the quick release or clamp is tightened securely.

4.5 Pedal Installation

Identify the left (L) and right (R) pedals. Apply a small amount of grease to the threads and screw them into the crank arms. Note that the left pedal has a reverse thread. Tighten firmly with a wrench.

4.6 Battery Installation and Initial Charge

The 36V 18.2Ah battery is designed to be removable. Insert the battery into its compartment on the frame and ensure it clicks into place. For the first use, fully charge the battery for 8 to 10 hours using the provided charger.

Image: The removable 36V 18.2Ah battery integrated into the frame.

Image: Features of the battery, including 8-10 hour charge time, BMS, IPX5 water resistance, and overload protection.

5. Operating Instructions

5.1 Powering On/Off

To power on the bicycle, press and hold the power button on the LCD display. To power off, press and hold the same button.

5.2 LCD Display and Smart App

The integrated color LCD display shows important riding data such as speed, battery level, and pedal assist level. You can also connect your OT05 to a dedicated smartphone application to monitor mileage, speed, lights, and battery status in real-time.

Image: The LCD display showing speed and assist level, alongside the companion smartphone app interface.

Image: Detailed view of the all-in-one LCD screen and its functions, including USB charging port.

5.3 Riding Modes

The OT05 offers three distinct riding modes to suit various scenarios:

• Riding Mode (Pedal Only): The electric motor is off, and you pedal the bicycle like a traditional bike.
• Pedal Assist Mode: The motor provides assistance as you pedal. There are multiple levels of pedal assist, which can be adjusted via the display. This mode offers a range of up to 120 km.
• Electric Mode (Throttle): The motor provides power without requiring pedaling. This mode offers a range of up to 60 km.

Image: Illustration of the three riding modes: Riding Mode, Pedal Assist Mode, and Electric Mode.

5.4 Gear Shifting

The bicycle is equipped with a 7-speed gear system. Use the shifter on the handlebars to change gears according to terrain and desired speed. Shift smoothly to avoid strain on the drivetrain.

5.5 Braking System

The OT05 features hydraulic disc brakes for reliable stopping power. Apply both front and rear brakes simultaneously for effective and controlled deceleration. Avoid sudden, hard braking, especially with the front brake, to prevent loss of control.

Image: Rider using the ONESPORT OT05, highlighting the 7-speed gears and hydraulic brakes.

5.6 Motor System

The 250W brushless motor provides powerful and efficient assistance, reaching a maximum speed of 25 km/h. It is designed to handle various terrains with ease.

Image: Diagram illustrating the 250W powerful motor system, showing max speed, endurance, and torque.

Image: Detailed view of the 250W high-speed brushless motor.

6. Maintenance

Regular maintenance ensures the longevity and safe operation of your ONESPORT OT05 electric bicycle.

6.1 Battery Care

• Charge the battery regularly, even if not in use, to maintain its health.
• Avoid fully discharging the battery frequently.
• Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
• The battery is water and shock resistant (IPX5 rated), but avoid submerging it in water.

6.2 Tire Care

The bicycle is equipped with 2.25-inch anti-puncture tires.

• Check tire pressure before each ride. Maintain pressure within the recommended range printed on the tire sidewall.
• Inspect tires for wear, cuts, or embedded objects.

Image: Close-up of the bicycle tire, highlighting its tread pattern.

6.3 Brake System Maintenance

• Regularly check brake pads for wear and replace them when necessary.
• Ensure brake levers have proper tension and engagement.
• If you notice reduced braking performance, have the hydraulic system inspected by a qualified technician.

6.4 Drivetrain Maintenance

• Keep the chain clean and lubricated.
• Inspect gears and derailleur for proper alignment and function.

6.5 General Cleaning

Clean the bicycle regularly with a damp cloth. Avoid using high-pressure washers directly on electrical components.

7. Troubleshooting

This section addresses common issues you might encounter with your ONESPORT OT05 electric bicycle.

7.1 No Power / Motor Not Assisting

• Check if the battery is fully charged and properly seated in its compartment.
• Ensure the power button on the display is pressed and held to turn on the system.
• Verify that the pedal assist level is not set to zero.

7.2 Reduced Range

• Battery capacity can decrease over time and with usage.
• Factors like terrain, rider weight, tire pressure, and riding mode (e.g., full electric vs. pedal assist) significantly affect range.
• Ensure tires are properly inflated.

7.3 Brake Noise or Poor Performance

• Brake pads may be worn and require replacement.
• Brake rotors may be dirty or contaminated. Clean with a specific disc brake cleaner.
• If hydraulic brakes feel spongy, they may need bleeding by a professional.

7.4 Gear Shifting Issues

• Check if the derailleur is properly aligned.
• Ensure the chain is clean and lubricated.
• Cable tension may need adjustment.

For issues not covered here or if problems persist, please contact ONESPORT customer support.

8. Specifications

9. Warranty and Support

ONESPORT offers a 14-day return policy and a 365-day warranty for manufacturing defects. For any questions, technical assistance, or warranty claims, please contact ONESPORT customer support through your purchase platform or the official ONESPORT website.